Directions: Answer these questions pertaining to factorable quadratic equations. Choose the best answer. The talking number cartoons may, or may not, be helpful!

1.
Solve for x:   x2 - x - 12 = 0

Choose:
 x = -3; x = 4 (x + 3)(x - 4) x = 3; x = -4 (x - 3)(x + 4)

2.
Solve for x:   x2 = 5x

Choose:
 x = -5; x = 0 x = 5; x = 0 x = 5 only x = 0 only

3.
Solve for a:   a2 = 49

Choose:
 a = 7 only a = 7; a = 7 (repeated) a = -7 only a = 7; a = -7

4.
Solve for m:   m2 - 5 = 4m

Choose:
 m = {-1, 5} m = {-5, 1} m = {-4, -1} m = {1, 4}

5.
Solve for x:

Choose:
 x = 12 x = ±12 x = 9 x = ±9

6.
Which of the following choices is a quadratic equation whose roots are 3 and -6?

Choose:
 x2 - 3x - 18 = 0 x2 + 3x - 18 = 0 x2 - 9x + 18 = 0 x2 + 9x + 18 = 0

7.
The square of a number exceeds five times the number by thirty-six. Which choice represents a quadratic equation which can be solved to find the number(s)?
Choose:
 n2 = 5n - 36 n2 + 5n + 36 = 0 n2 = 5n + 36 n2 - 5n + 36 = 0

8.
Solve for x:   x(x + 3) = 2(x + 15)

Choose:
 x = -6; x = 5 x = 6; x = -3 x = 3; x = -5 x = 6; x = -5

9.
Solve for x:

Choose:
 x = 6; x = -1 x = 3; x = 2 x = -6; x = 1 x = 3; x = -2

10.
Solve for a:   3a2 + 14a + 8 = 0

Choose:
 a = -2/3; a = -4 a = -2; a = -4 a = 2/3; a = 4 a = -3/2; a = -4

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