Quiz about Factoring Quadratic Functions Where A=1

Question 1

Which method would be most efficient for solving the equation?

Accepted Answer

factoring

Answer

completing the square

Answer

graphing

Answer

quadratic formula

Question 2

Factor x²-16

Accepted Answer

(x-4)(x+4)

Answer

(x+4)2

Answer

(x-4)2

Answer

(x-16)(x+16)

Question 3

Factor
k² - 2k - 24

Accepted Answer

(k+4)(k-6)

Answer

(k+4)(k+6)

Answer

(k+6)(k-1)

Answer

(k-4)(k+6)

Question 4

What is the first step in solving
(x + 2)(x - 3) = 0 ?

Accepted Answer

Set each binomial factor equal to zero

Answer

Plug in zero for x

Answer

Solve for x

Answer

FOIL

Question 5

Solve by factoring: $$x^2 - 4x - 5 = 0$$

Accepted Answer

$$x = -1, x = 5$$

Answer

$$x = 1, x = -5$$

Answer

$$x = -5, x = 1$$

Answer

$$x = 5, x = -1$$

Question 6

Solve the quadratic equation by factoring: $$x^2 - 7x + 10 = 0$$ .

Accepted Answer

$$x = 2, x = 5$$

Answer

$$x = -2, x = -5$$

Answer

$$x = 7, x = -10$$

Answer

$$x = 10, x = -7$$

Question 7

Solve by factoring: $$x^2 - 9x + 20 = 0$$

Accepted Answer

$$x = 4, x = 5$$

Answer

$$x = 1, x = 20$$

Answer

$$x = -4, x = -5$$

Answer

$$x = 5, x = 4$$

Question 8

Convert x²- 9x + 20 to factored form and solve.

Accepted Answer

(x-4)(x-5); x = 4, 5

Answer

(x-10)(x+2); x = -2, 10

Answer

(x+4)(x+5); x = -5, -4

Answer

Not factorable

Question 9

What are the values of x when y = 0?

Accepted Answer

{ -3, -1 }

Answer

{ -3, 1 }

Answer

{ -2 }

Answer

{ 1, 3 }

Question 10

Solve:
x² - 49 = 0

Accepted Answer

x = -7, x = 7

Answer

x = -7

Answer

x = 7

Answer

x = -7, x = 1

Question 11

Solve by factoring: x² - 9x + 20 = 0

Accepted Answer

x = 4 and x = 5

Answer

x = -4 and x = -5

Answer

x = 20 and x = -9

Answer

x = -4 and x = 5

Question 12

Solve by factoring: x² + 3x - 18 = 0

Accepted Answer

x = 3 and x = -6

Answer

x = -3 and x = 6

Answer

x = -9 and x = 2

Answer

x = 9 and x = -2

Question 13

Factor completely.
k² -2k - 24

Accepted Answer

(k+4)(k-6)

Answer

(k+4)(k+6)

Answer

(k+6)(k-1)

Answer

(k-4)(k+6)

Question 14

What are the green dots called?

Accepted Answer

roots or x-intercepts

Answer

axis of symmetry

Answer

vertex

Answer

parabola

Question 15

Factor:
x² - 10x + 24

Accepted Answer

(x - 6)(x - 4)

Answer

(x + 6)(x + 4)

Answer

(x - 12)(x + 2)

Answer

(x - 8)(x - 3)

Question 16

x2-8x+16

Accepted Answer

(x-4)2

Answer

(x+4)(x-4)

Answer

(x-10)(x+2)

Answer

(x+8)(x+8)

Question 17

Factor
n²-13n+40

Accepted Answer

(n-5)(n-8)

Answer

(n+5)(n-8)

Answer

(n-5)(n+8)

Answer

(n+6)(n+1)

Question 18

Factor:
x² - 14x + 24

Accepted Answer

(x - 12)(x - 2)

Answer

(x - 8)(x - 3)

Answer

(x - 6)(x - 4)

Answer

(x - 24)(x - 1)

Question 19

Factor:
x² - 23x - 24

Accepted Answer

(x - 24)(x + 1)

Answer

(x + 24)(x - 1)

Answer

(x - 12)(x + 2)

Answer

(x + 12)(x - 2)

Question 20

x2-x-20

Accepted Answer

(x-5)(x+4)

Answer

(x+5)(x+4)

Answer

(x+2)(x-10)

Answer

(x+5)(x-5)

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