5272道题目5525 条题源记录 · 相同内容已合并
线性不等式与可行域挑战
In the xy-plane, the point \( (6,\ 7) \) is a solution to which of the following systems of inequalities?
原库参考解析
线性不等式与可行域进阶
A plant nursery classifies a perennial flower species as tall if its typical height when fully grown is more than 100 centimeters. Each of the following inequalities represents the possible heights h, in centimeters, for a specific perennial flower species when fully grown. Which inequality represents the possible heights h, in centimeters, for a tall perennial flower species?
原库参考解析
线性不等式与可行域挑战
A baker has a total of 15 cups of flour and enough other ingredients to make banana pancakes and apple pancakes. The baker needs 1.25 cups of flour for a batch of banana pancakes and 0.75 cups of flour for a batch of apple pancakes. If the baker makes 8 batches of banana pancakes, what is the greatest number of whole batches of apple pancakes the baker can make?
原库参考解析
线性不等式与可行域进阶
For a certain classification, the positive mass m, in grams, of an object must be less than 510 grams. Which inequality represents this situation?
原库参考解析
线性不等式与可行域挑战
The shaded region shown represents the solutions to the inequality \( ry<128 \), where r is a constant. What is the value of r?
原库参考解析
线性不等式与可行域进阶
In a set of three consecutive integers, where the integers are ordered from least to greatest, the first integer is represented by x. The sum of 4 and the second integer is less than the product of 17 and the third integer. Which inequality represents this situation?
原库参考解析
线性不等式与可行域挑战
The graphs of \( y=-3x+7 \) and \( y=x-5 \) are shown. Point P (not shown) has coordinates \( (3,−5) \) and lies in the shaded region. The coordinates of P satisfy which of the following inequalities?
I. \( y<−3x+7 \)
II. \( y>x−5 \)
原库参考解析
线性不等式与可行域进阶
The shaded region shown represents the solutions to which inequality?
原库参考解析
线性不等式与可行域进阶
A car travels at a speed of at least 25 miles per hour but no more than 65 miles per hour for a certain part of a trip. Which inequality represents this situation, where x is the speed of the car, in miles per hour, on this part of the trip?
原库参考解析
线性不等式与可行域挑战
The graphs of \( y=-3x+8 \) and \( y=x-4 \) are shown. Point P (not shown) has coordinates \( (3,−3) \) and lies in the shaded region. The coordinates of P satisfy which of the following inequalities?
I. \( y<−3x+8 \)
II.\( y>x−4 \)
原库参考解析
线性不等式与可行域进阶
To win a game show, a contestant needs to score at least 70 total points from two rounds. Correct responses in the first round are worth 3 points each, and correct responses in the second round are worth 9 points each. Which inequality models this situation, where f is the number of correct responses in the first round and s is the number of correct responses in the second round?
原库参考解析
线性不等式与可行域挑战
To win a game show, a contestant needs to score at least 80 total points from two rounds. Correct responses in the first round are worth 4 points each, and correct responses in the second round are worth 5 points each. Which inequality models this situation, where f is the number of correct responses in the first round and s is the number of correct responses in the second round?
原库参考解析
