找到你今天要练的题。

x(kx - 56) = -16
In the given equation, k is an integer constant. If the equation has no real solution, what is the least possible value of k?

5x² + 10x + 16 = 0
How many distinct real solutions does the given equation have?

x² - 34x + c = 0
In the given equation, c is a constant. The equation has no real solutions if c > n. What is the least possible value of n?

Which quadratic equation has no real solutions?

\( x^2=-841 \) 
How many distinct real solutions does the given equation have?

\( -9x^2+30x+c=0 \) 
In the given equation, c is a constant. The equation has exactly one solution. What is the value of c?

In the xy-plane, the graph of the equation \( y=-x^2+9x-100 \) intersects the line \( y=c \) at exactly one point. What is the value of \( c \) ?

-x² + bx  -676 = 0

In the given equation, b is a positive integer. The equation has no real solution. What is the greatest possible value of b ?

2x² - 4x  = t 

In the equation above, t is a constant. If the equation has no real solutions, which of the following could be the value of t ?

x² - 34x  + c = 0

In the given equation, c is a constant. The equation has no real solutions if c > n . What is the least possible value of n ?

-16x² - 8x  + c = 0

In the given equation, c is a constant. The equation has exactly one solution. What is the value of c ?

(x -1)² =-4
How many distinct real solutions does the given equation have?