Quiz about Finding Zeros of Quadratic and Writing It in Factor Forms

Question 1

The x-intercepts of a quadratic equation are known as the _____.

Accepted Answer

zeros

Answer

vertices

Answer

squares

Answer

formulas

Question 2

What is another way to say "where a function crosses the x-axis"?

Accepted Answer

all of these.

Answer

x-intercept

Answer

zero

Answer

root

Answer

solution

Question 3

What does it mean to "find the zeros" of a quadratic?

Accepted Answer

Factor then set each factor equal to zero and solve to find x-intercepts

Answer

Plug in 0 and solve the expression.

Answer

Set the expression equal to zero and solve

Answer

Factor then set each factor equal to zero and solve to find y-intercepts

Question 4

Use the graph of f(x) to determine the real solutions to f(x)=0.

Accepted Answer

2, 5

Answer

-10

Answer

0, 7

Answer

no real solution

Question 5

What are the solutions?

Accepted Answer

2 and 4

Answer

0 and 8

Answer

-2 and -4

Answer

3 and -1

Question 6

Which is a zero of the graph?

Accepted Answer

-1

Answer

0

Answer

1.5

Answer

-3

Question 7

Name the zeros?

Accepted Answer

(0, 0) and (4, 0)

Answer

(0, 0)

Answer

(2, 4)

Answer

(0, 0) and (0, 4)

Question 8

Solve for the values of x:

(x - 5)(x - 1) = 0

Accepted Answer

(5, 0) or (1, 0)

Answer

(-5, 0) or (-1, 0)

Answer

(0, -5) or (0, -1)

Answer

(0, 5) or (0, 1)

Question 9

Solve for the values of x:
(x - 3)(x + 6) = 0

Accepted Answer

{ 3, -6 }

Answer

{ -3, -6 }

Answer

{ -3, -6 }

Answer

{ 3, 6 }

Question 10

Solve for b

Accepted Answer

b=4/5, b=-3

Answer

b=4/5, b=3

Answer

b=4, b=-3

Answer

b=1/5, b=3

Question 11

What are the solutions?

(2x + 5)(5x - 2) = 0

Accepted Answer

x = -5/2, 2/5

Answer

x = -5/2, -2/5

Answer

x = 5/2, 2/5

Answer

x = 5/2, -2/5

Question 12

What are the x-intercepts?

2(x + 5)(x + 1) = 0

Accepted Answer

x = -5, -1

Answer

x = 0, 5, 1

Answer

x = 0, - 5, -1

Answer

x = 5, 1

Question 13

What are the zeros?

2x(x - 5) = 0

Accepted Answer

x = 0, 5

Answer

x = 0, - 5

Answer

x = 5

Answer

x = -5

Question 14

Write an expression where the solutions are 4 and -3 with a k=1

Accepted Answer

y=(x-4)(x+3)

Answer

y=(x-4)(x-3)

Answer

y=(x+4)(x-3)

Answer

y=(x+4)(x+3)

Question 15

Write an expression where the solutions are -9 and 2 with a k=-3

Accepted Answer

y=-3(x+9)(x-2)

Answer

y=-3(x-9)(x-2)

Answer

y=-3(x-9)(x+2)

Answer

y=-3(x+9)(x+2)

Question 16

$$b^2+8b-33=0$$

Accepted Answer

$$\left\{3,-11\right\}$$

Answer

$$\left\{8,-33\right\}$$

Answer

$$\left\{3,11\right\}$$

Answer

$$\left\{-11,-3\right\}$$

Question 17

$$n^2+3n=0$$

Accepted Answer

$$\left\{-3,0\right\}$$

Answer

$$\left\{3,0\right\}$$

Answer

No Real Solution

Answer

$$\left\{-3,-1\right\}$$

Question 18

$$x^2-100=0$$

Accepted Answer

$$\left\{-10,10\right\}$$

Answer

$$\left\{25,4\right\}$$

Answer

$$\left\{-50,2\right\}$$

Answer

$$\left\{0,100\right\}$$

Question 19

$$n^2-10n+24=0$$

Accepted Answer

$$\left\{4,6\right\}$$

Answer

$$\left\{8,3\right\}$$

Answer

$$\left\{-4,-6\right\}$$

Answer

$$\left\{12,2\right\}$$

Question 20

$$9x^2-12x+4=0$$

Accepted Answer

$$\left\{\frac{2}{3}\right\}$$

Answer

$$\left\{6\right\}$$

Answer

$$\left\{-6,6\right\}$$

Answer

$$\left\{\pm\frac{2}{3}\right\}$$

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