SAT 数学考点总览

方法:程序通读题库全部 4,843 道数学真题的题面与解析,按题目问法特征(如 "displays as a constant or coefficient"、"best interpretation"、"sum of the solutions")自底向上归类。 已归类 4374 题(90.3%),共 99 个考法;其余 ~10% 为已列考法的变体。生成日期 2026-07-03。
用法:此页是四册讲义的"母表"。每行一个考法 = 讲义里的一个题型小节;Hard 列越红越值得配题。跨板块"解释类"(174 题)目前四册讲义基本未覆盖,是下一轮扩充重点。

Algebra 代数 共 1567 题

线性建模 264 题 · 3 个考法

考法题量HardMediumEasy例题(Hard 优先)
文字应用题(率/总量)113346811A proposal for a construction project was included on a city election ballot, A TV news report …
线性情境求值(率×量+初始)9550423The cost of renting a power washer is $44 for the first day and $22 for each additional day. Wh…
which equation represents(写方程)56261911A set designer is hammering nails along the top edge of a wall with a length of 3 x feet, where…

方程组 229 题 · 5 个考法

考法题量HardMediumEasy例题(Hard 优先)
解方程组(代入/消元)182907121\( x+5=11 \) \( y=3x^2+3 \) At what point ( x, y ) do the graphs of the equations in the given …
方程组含参:交点/关系191180\( y=x-c \) \( y=-4\left(x-6\right)^2 \) In the given system of equations, c is a constant. The…
解方程组:整体求值 x+y13760y=5(x-2)^{2} y=10(x-2) A solution to the given system of equations is (x, y). What is one possi…
方程组建模(which system)11632A scientist makes batches of bricks using different sand-to-cement ratios to test how the sand-…
应用题:设两元求解4121A movie theater sells two types of tickets, adult tickets for $12 and child tickets for $8. If …

一元一次方程 202 题 · 3 个考法

考法题量HardMediumEasy例题(Hard 优先)
整体代换求值11656546If \( \frac{6}{7}p+42=84 \), what is the value of 7\( p \)?…
解一元一次方程/分式方程73223813\( \frac{x+1}{5x^{2}}=\frac{k}{x} \) In the given equation, k is a constant. The solution to th…
多字母分式逐层求值13580In the figure shown, points A, B, C, and E lie on the circle, and AB < BC . Segment AC is perpe…

不等式 196 题 · 5 个考法

考法题量HardMediumEasy例题(Hard 优先)
最值应用(at least/at most)78383010A number x is at most 7 less than 6 times the value of y . If the value of y is 3. what is the …
不等式建模(which inequality)6322365In December 2017, the lowest temperature recorded in a certain city was 10 degrees Fahrenheit (…
不等式组与坐标平面(代点/求范围)3516136The shaded region shown in the graph represents all the solutions to which inequality?…
三角不等式/其他不等式191342y > 9 x - 5 For which of the following tables are all the values of x and their corresponding v…
解不等式/解集反推参数1100If \( x\ge-8 \) represents all solutions to the inequality \( ax-18\le14 \), where a is a const…

解的个数 164 题 · 3 个考法

考法题量HardMediumEasy例题(Hard 优先)
解的个数判断6737264y=5x y=2x+2 How many solutions does the given system of equations have?…
无解:求参数/必真判断64461625x=75y-125 One of the two equations in a system of linear equations is given. The system has no…
无穷多解:求参数332012116( x +4) =2( x + c ) +14 x In the given equation, c is a constant.The equation has infinitely …

截距 144 题 · 2 个考法

考法题量HardMediumEasy例题(Hard 优先)
x/y 截距计算143705221The graph of the polynomial function f in the xy -plane, where y = f ( x ), has x -intercepts o…
二次函数 y 截距+缩放模板1100The table shows three values of x and their corresponding values of y , where y = f(x) +4 and f…

平行与垂直 131 题 · 1 个考法

考法题量HardMediumEasy例题(Hard 优先)
平行/垂直直线131576410In the figure, parallel lines a and b are intersected by lines c , d , and e . If z = 54, y = 1…

斜率 90 题 · 1 个考法

考法题量HardMediumEasy例题(Hard 优先)
斜率计算/比较/含参90354411What is the slope of the graph of \( y=\frac{1}{4}\left(27x+12\right)+7x \) in the \( xy \)-pla…

线性函数 82 题 · 2 个考法

考法题量HardMediumEasy例题(Hard 优先)
确定线性函数式(斜率+点/两函数值)5128194For the linear function f , the graph of y = f(x) in the xy -plane has a slope of \( \frac{3}{4…
线性函数求值与比较3112163For a particular car, the linear function f gives the predicted power, in brake horsepower (bhp…

直线方程 46 题 · 1 个考法

考法题量HardMediumEasy例题(Hard 优先)
过点/三点共线求参数4629170The function f is defined by f(x) = a^{x} - b , where a and b are constants.In the xy -plane, t…

线性模型 19 题 · 1 个考法

考法题量HardMediumEasy例题(Hard 优先)
线性模型预测(两点定率外推)191090A linear model estimates the population of a city from 1992 to 2016. The model estimates the po…

Advanced Math 高等数学 共 1073 题

等价表达式 345 题 · 5 个考法

考法题量HardMediumEasy例题(Hard 优先)
公式变形 express in terms of10951517A conservation specialist hung artificial nesting structures each in the shape of a right recta…
多项式等价与恒等系数107484910An area of 56.00 square nautical miles is equivalent to k square kilometers. To the nearest ten…
展开与合并同类项7737337Which expression is equivalent to \( 14\left(x^2-6\right) \) ?…
提公因式/因式分解3511186Which expression is equivalent to 8 xy + 24 x^{2}y + 32 xy^{2} ?…
改写求系数(rewritten as 型)17971The scatterplot shows data set A , which consists of the weights y , in pounds, of a Labrador r…

函数 236 题 · 8 个考法

考法题量HardMediumEasy例题(Hard 优先)
函数求值 f(a)100375112The function j is defined by \( j\left(x\right)=\frac{x}{7} \) . What is the value of j (42)?…
反向求值:已知 f(x)=k 求 x6026268\( f(x)=18x^{2}-45x+16 \) The given equation defines the function \( f \) f . For what value of…
由表格值确定函数式3017103The roofs on the buildings of a public garden are designed to allow water to drain into the gar…
图像平移/变换2511122f(x) = ( x - 2)( x +4)( x - 3) In the xy -plane, when the graph of the function f , where y = f…
定义域/值域/最值区间10640A 9-pound cat eats two types of canned cat food: chicken-flavored and duck-flavored. The recomm…
复合/嵌套函数求值6510The function f is defined by f ( x )= | x - 6 x |. What value of a satisfies f ( 2 ) - f ( a )=…
由文字关系构造函数(乘积/和)4220The function \( f \) gives the product of a number, x , and a number that is 77 more than x . W…
有理函数:无定义点1010The function g is defined as g(x) =\( \frac{2x-4}{(x+13)(x-5)} \) , when x=a,the function is un…

二次方程 169 题 · 4 个考法

考法题量HardMediumEasy例题(Hard 优先)
解二次方程(求根/正解/求根公式)8143335\( \frac{x+1}{5x^2}=\frac{k}{x} \) In the given equation, \( k \) is a constant. The solution t…
解(根)之和求参4822242( x - 21)^{2}= 1 What is the sum of the solutions to the given equation?…
由根/零点构造方程或因式261592The quadratic function f has a factor of ( x +7.75) and a zero x = c , where c is a positive co…
解(根)之积求参14140056 x ^{2} +(56 s + r ) x + rs =0 ln the given equation, r and s are positive constants. The pro…

指数函数 115 题 · 5 个考法

考法题量HardMediumEasy例题(Hard 优先)
指数函数求值/两点定倍率5130174The function \( f \) is defined by \( f\left(x\right)=-39^x \). The function \( g \) is a decre…
增长/衰减模型:建立与识别3723131The amount of money owed on a certain type of loan has two components: the principal balance of…
翻倍/半衰期周期模型20983The number of bacteria in a liquid medium doubles every day. There are 83,000 bacteria in the l…
确定指数函数式6042The relationship between the variables x and y is defined by an exponential equation. When \( x…
倍率与百分比互转1100The function \( f \) is defined by \( f(x)=56(0.19)^x \). For any positive integer n , the valu…

判别式 72 题 · 3 个考法

考法题量HardMediumEasy例题(Hard 优先)
恰一解 Δ=0:求参数(含完全平方数条件)4634120\( 18x^2-24x+c=0 \) In the given equation, \( c \) is a constant. The equation has exactly one …
二次无实数解:参数范围252131\( x^2+38x+c=0 \) In the given equation, c is a constant, The equation has no real solutions if…
至少一解:分离参数求最值1100\( y=x-c \) \( y=-4\left(x-10\right)^2 \) The system above has at least 1 solution. What is the…

抛物线 42 题 · 3 个考法

考法题量HardMediumEasy例题(Hard 优先)
顶点/对称轴/最值3523102Function f is a quadratic function. The graph of y = f ( x ) in the xy -plane has a vertex at (…
二次建模:抛体最大高度6240An object is launched from a height of 121 feet above the ground. A quadratic function \( f \) …
抛物线截距/开口/必真判断1100The parabola shown intersects the y-axis at the point ( x , y ). What is the value of y ?…

绝对值 41 题 · 1 个考法

考法题量HardMediumEasy例题(Hard 优先)
绝对值方程求解/整体求值412588The equation 4| x -6|= k , where k is a constant, has exactly one solution. which of the follow…

指数运算 29 题 · 2 个考法

考法题量HardMediumEasy例题(Hard 优先)
指数法则运算(乘/除/幂)15951Which expression is equivalent to \( \left(5x^6\right)\left(x^3\right) \) ?…
根式与分数指数互化141310-9 x ( x +9) = 90 One solution to the given equation can be written as \( x=-\frac{s+\sqrt{t}}{…

指数与函数结构 24 题 · 1 个考法

考法题量HardMediumEasy例题(Hard 优先)
结构判断:常数/系数是否直接显示(最值/截距)242220The functions f and g are defined by the equations shown, where a and b are integer constants, …

Problem-Solving & Data Analysis 数据分析 共 979 题

百分数 317 题 · 6 个考法

考法题量HardMediumEasy例题(Hard 优先)
百分数基础计算2241119518A scientist analyzed a soil sample with a mass of 900 grams and determined that it contained 18…
百分比链(a% of b, b% of c)4831161The table summarizes the number of objects in each group. The number of objects in group C is p…
混合浓度问题209101During an experiment, the temperature, in degrees Celsius (ºC), of a mixture was recorded to th…
折扣/税费/利息161060A clothing store buys shirts at a wholesale price of 4.00 dollars each and resells them each at…
连续涨跌(倍率连乘)6510The value of an autographed baseball increased by 178 % from the end of 2012 to the end of 2013…
反求涨跌幅 p%3201The price of an item increased by p % from $90 to $93. What is the value of p ?…

单位换算 151 题 · 1 个考法

考法题量HardMediumEasy例题(Hard 优先)
长度/面积/体积单位换算151736513A triangular prism has a height of 9 centimeters ( cm ) and a volume of 234 \( cm^{3} \) . What…

统计量 129 题 · 4 个考法

考法题量HardMediumEasy例题(Hard 优先)
均值:加权/合并/反求6029310Data set A: 2, 3, 4, 5,5 Data set B: 2, 3, 4, 10 Which of the following statements best compare…
标准差/极差比较2616100Which of the following choices has the least standard deviation?…
中位数231544A science class studied the feeding behavior of the birds that visited a bird feeder each schoo…
均值 vs 中位数比较判断201811A data set of the orbital periods, rounded to the nearest whole number of Earth days, for 13 of…

比例与比率 115 题 · 2 个考法

考法题量HardMediumEasy例题(Hard 优先)
单位价格/率的应用84393510One gallon of sealant costs $29 and will cover 300 square feet of a surface. A deck has a total…
配比与比率方程3115124The graph shows the estimated concentration of a certain strain of bacteria, in millions of cel…

比例与相似缩放 78 题 · 2 个考法

考法题量HardMediumEasy例题(Hard 优先)
相似图形/立体缩放7638362The table gives the areas and perimeters of two similar rectangles, where n is a constant. What…
比例尺(地图/模型)2110A grove has 6 rows of birch trees and 5 rows of maple trees. Each row of birch trees has 8 tree…

散点图与模型 68 题 · 1 个考法

考法题量HardMediumEasy例题(Hard 优先)
散点图读图/趋势/拟合线6824395The scatterplot shows the relationship between the length of eruption y , in hours, and the num…

概率 55 题 · 2 个考法

考法题量HardMediumEasy例题(Hard 优先)
概率计算与反求338205The table gives the distribution of favorite core subject and grade level for 80 students. If a…
条件概率(given that)22994At a convention center, there are a total of 225 visitors. Each visitor is located in either ro…

数据表 51 题 · 1 个考法

考法题量HardMediumEasy例题(Hard 优先)
频数表/直方图/图表读取5117259The bar graph shows the distribution of flower type for the 700 flowers that a florist has in s…

抽样与推断 15 题 · 2 个考法

考法题量HardMediumEasy例题(Hard 优先)
误差范围与样本量9720A research manager selected 2 random samples of ovens of a certain type to estimate the average…
抽样偏差/结论推广/实验设计6321To investigate the effect of magnesium supplementation on the sleep quality of adults, a resear…

Geometry & Trigonometry 几何与三角 共 581 题

三角形 172 题 · 2 个考法

考法题量HardMediumEasy例题(Hard 优先)
三角形内角与外角143706310A total of 3 squares each have side length r . A total of 6 equilateral triangles each have sid…
相似/全等判定(补充信息)2914114In triangle ABC and triangle DEF , sides AB and DE each have a side length of 10 inches, and an…

圆 138 题 · 4 个考法

考法题量HardMediumEasy例题(Hard 优先)
圆方程(配方/圆心半径)7131391A circle in the xy -plane has its center at ( -7, 3 ) and has a radius of 9 . An equation of th…
半径/周长/面积计算4421203Circle N has a radius of 6 millimeters (mm). Circle M has an area of \( 121π mm^{2} \) . What i…
弧长/扇形/圆心角18981A circle has diameters \( AC \) and \( BD \) . The circumference of the circle is 84π, and the …
切线性质5500A circle in the xy -plane has its center at \( \left(-2,\ 2\right) \) . Line t is tangent to th…

三角比 114 题 · 3 个考法

考法题量HardMediumEasy例题(Hard 优先)
直角三角形求三角比6921453A business consultant charges $408 for the first hour and $204 for each additional hour of work…
单位圆与弧度348242An angle has a measure of \( \frac{13π}{6} \) radians. What is the measure of the angle in degr…
互余角 sin/cos 转换11560In right triangle RST , the sum of the measures of angle R and angle S is 90 degrees. The valne…

立体几何 66 题 · 3 个考法

考法题量HardMediumEasy例题(Hard 优先)
棱柱/棱锥体积与表面积3020100A right square pyramid has a surface area of 75,264 square inches. which includes a base area o…
圆锥/圆柱/球体积与斜高2412120A hemisphere is half of a sphere. If a hemisphere has a radius of 59 inches, which of the follo…
体积/表面积综合12570w(t)=600-3t The function w models the volume of water, in milliliters, in a container t seconds…

面积周长 46 题 · 1 个考法

考法题量HardMediumEasy例题(Hard 优先)
矩形/正方形/组合图形面积4623185In the figure, \( LQ \) intersects \( MP \) at point R , and \( LM \) is parallel to \( PQ \) .…

角度 45 题 · 1 个考法

考法题量HardMediumEasy例题(Hard 优先)
平行线与角度/多边形内角4516209A rectangular fence covers an rectangle area of 40 square plots. Each square plot has an area o…

跨板块 · 解释与判断类 共 174 题

解释类 174 题 · 5 个考法

考法题量HardMediumEasy例题(Hard 优先)
函数值 f(a)=b 的实际意义6424400An acceptable noise criterion rating for the background noise in a laundry room is 50. For a no…
斜率/变化率系数的实际意义4920281H = 2.408L + 23.16 A group of biology students conducted an experiment to study the relationshi…
其他解释判断类3314163A school swim team sold shirts to raise money.The team raised $13 from each short-sleeved shirt…
y 截距/初始值的实际意义15681Kenny engages in up to 3 types of exercise each week for a total of 6 hours while training for …
顶点/最值的实际意义13760The function\( f\left(x\right)=\frac{1}{8}\left(x-6\right)^2+4 \) gives a toy car's height abov…