Take this Quiz: SAT Math — solving quadratics and counting their solutions | Zestly

Question 1

What are the solutions to $x^2 - 7x + 10 = 0$?

Accepted Answer

$x = 2$ and $x = 5$

Answer

$x = 2$ and $x = -5$

Answer

$x = -2$ and $x = -5$

Answer

$x = -2$ and $x = 5$

Question 2

What is the larger solution to $x^2 + 3x - 18 = 0$?

Accepted Answer

$3$

Answer

$6$

Answer

$-3$

Answer

$-6$

Question 3

What is the sum of the solutions to $x^2 - 11x + 24 = 0$?

Accepted Answer

$11$

Answer

$14$

Answer

$8$

Answer

$3$

Question 4

Solve for $x$: $x^2 + 5x = 6$.

Answer

$x = 6$ and $x = -1$

Answer

$x = 0$ and $x = -5$

Answer

$x = -5$ and $x = -6$

Answer

$x = 1$ and $x = -6$

Question 5

Solve for $x$: $x^2 = 4x + 12$.

Answer

$x = 2$ and $x = 6$

Answer

$x = 6$ and $x = -2$

Answer

$x = -6$ and $x = 2$

Answer

$x = 4$ and $x = -12$

Question 6

For what value of $k$ does $x^2 + 6x + k = 0$ have exactly one real solution?

Answer

$9$

Answer

$6$

Answer

$36$

Answer

$3$