Math Plus Algebra

What is the value of y in the solution to this system of equations?

2y - 4x = -62.21

x = -3y + 5

• -3.015

• -2.457

• -3.222

• 3.015

Which expression is equivalent to  $\frac{27q^{-12}r^4s^5}{18q^{-17}r^6s^2}$  for all values of q, r, and s where the expression is defined?

•  $\frac{2q^5s^3}{3r^2}$  

•  $\frac{3s^2}{2q^{29}r^2}$  

•  $\frac{2s^3}{3q^{29}r^2}$  

•  $\frac{3q^5s^3}{2r^2}$  

The graph of linear function t passes (2,6) and has a slope of -2. What is the zero of t?

• 10

• 5

• -10

• -5

Which graph shows a function with a domain of all real numbers greater than 7?

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Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

A painter charges $35 per hour for labor plus $40 for a ladder rental when he paints a house. The customer provides the paint. The total charge to paint a customer's house was $950. How many hours did the painter spend painting the house?

• 12 and 2/3 hours

• 28 hours

• 23 hours

• not here

Tags

CCSS.7.EE.B.4A

Which inequality is equivalent to 7x - 2y > 8 ?

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Tags

CCSS.HSA.REI.D.12

What is the value of x in the solution to the system of equations?

• 1

• 5/3

• 8/3

• 7/3

Tags

CCSS.HSA.REI.C.9

Which graph does not represent y as a function of x?

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Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

What is the range of the function shown?

• {-7, -2, 0, 5}

• {-9, -4, -1}

• {-9, -7, -4, -2, -1, 0, 5}

• {-1}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which graph represents -3x + 5y = -15

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Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10