Review Algebra

Solve:
7x + 19 = -2x + 55

• 4

• 14.8

• 8.2

• -4

Solve:
2(2x + 3) = -6(x + 9)

• 2

• 6

• -6

• 7.5

What is the slope in the equation y=2x + 3?

• 2

• 3

• 5

• Cannot be Determined 

Tags

CCSS.8.EE.B.5

Combine like terms
3x + 2x + 3y - 7y

• 5x + 10y

• 5x + 4y

• 5x - 4y

• 5x -10y

Tags

CCSS.7.EE.A.1

Multiply:
(r + 7)(r − 7)

• r ² − 49 

• r ² + 14

• r ² − 7r + 49 

Tags

CCSS.HSA.APR.A.1

Which is the graph of y= -x + 2?

• A

• B

• C

• D

Simplify: 4a + 9 + a

• 5a + 9

• 14a

• 3a + 9

• 5a - 9

Tags

CCSS.7.EE.A.1

What is the vertex of this equation?
y= x²+3x+5
Hint: find min in your calculator

• (1.5, -2.75)

• (1.5, 2.75)

• (-1.5, 2.75)

• (-1.5, -2.75)

Find the product:
(y - 3)(y + 7)

• y² - 21

• y² + 10x - 21

• y² + 4y - 21

• 2y - 10

Tags

CCSS.HSA.APR.A.1

Find the product:
(n - 5)(n - 1)

• n² - 5n + 5

• n² - 6n + 5

• n² + 5

• n² + 6n + 5

Tags

CCSS.HSA.APR.A.1