Review of Algebra Variables

If A = 3x² - 6x  and B = 12x- 6x², what is B - A?

• -9x² + 18x

• 9x² - 18x

• -3x² + 6x

• -3x²

Tags

CCSS.HSA.APR.A.1

What is the equation for this line?

• y = x - 2

• y = x + 2

• y = 2x

• y = -x + 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Find the solution to the following inequality:

6(x - 5) < 7x - 4

• x ≥ 26

• x > -26

• x < -26

• -x > 26

Find the difference:
(2x + 7) - 3(5x - 4)

• -13x - 5

• 17x + 5

• 17x + 5

• -13x + 19

Tags

CCSS.6.EE.A.3

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5

• x = 5

• x = -50

• x = 30

Tags

CCSS.HSF.IF.A.2

How many solutions does this graph have?

• one

• two

• no solutions

• cannot be determined

The function f(x)=3x+10 models the total cost Katie charges to babysit x amount of children. What is the most appropriate domain for the function?

• All rational numbers

• All integers

• All non-negative rational numbers

• All non-negative integers

A mathematical phrase that has numbers, operations, and one or more variables.  No equal sign

• equation

• Algebraic Expression

• Algebraic Equation

• expression

Tags

CCSS.6.EE.A.2B

Solve the equation:  20 = n - 12

• 8

• 32

• -8

• 120

Tags

CCSS.6.EE.B.7

d÷14 = 7

• 1/2

• 2

• 98

Tags

CCSS.3.OA.B.6