Algebra Quiz (1)

Question 1

1/11

What is the quadratic formula?

x = (-b ± √(b^2 - 4ac)) / 2a

E = mc^2

Answer

a^2 + b^2 = c^2

Answer

y = mx + c

Question 2

2/11

Which property is illustrated by the equation 5(x + 3) = 5x + 15?

Distributive Property

Answer

Associative Property

Answer

Commutative Property

Answer

Identity Property

Question 3

3/11

What is the solution to the equation 2x + 5 = 15?

x = 10

x = -10

x = 5

x = 15

Answer

y = sin(x)

Answer

2x^2 + 3x - 5 = 0

Answer

5x^2 - 2x + 1 = 0

Answer

x^2 - 6x + 9 = 0

Question 4

4/11

What is the slope of a vertical line?

0

∞ (infinity)

1

undefined

Question 5

5/11

Which equation represents a linear function?

y = x^2

y = 3x - 2

y = |x|

Question 6

6/11

What is the value of x in the equation 4(2x - 3) + 7 = 27?

x = 1

x = 5

x = 10

x = -2

Question 7

7/11

Which expression represents the area of a rectangle?

2πr

l + w

bh

πr^2

Question 8

8/11

Simplify the expression: 3(2x - 5) - 4(3 - x)

5x + 27

10x - 4

7x + 27

5x - 4

Question 9

9/11

Which of the following is NOT a quadratic equation?

x^3 - 4x^2 + x - 7 = 0

Question 10

10/11

What is the x-intercept of the equation y = 2x - 6?

(3, 0)

(0, -6)

(0, -3)

(6, 0)

Question 11

11/11

What is the product of (-7)(-4)?

-11

28

4

-28