Algebra 1 Staar Practice - B

A college student completed some courses worth 3 credits and some courses worth 4 credits. The student earned a total of 59 credits after completing 18 courses. How many courses worth 3 credits did the student complete?

• 13

• 5

• 20

• 39

Tags

CCSS.8.EE.C.8C

 $24x^2-22x+5$  

Which expression is equivalent?

• (12x + 5)(2x + 1) 

• (8x − 5)(3x − 1)

• (12x − 5)(2x − 1)

• (8x + 5)(3x + 1)

The graph of

 $f\left(x\right)=x^2$  

was transformed to create the graph of

 $g\left(x\right)=f\left(x\right)-9$  
Which statement about the graphs is true?

• The graph of g is a reflection of the graph of f across the x-axis.

• The vertex of the graph of g is 9 units to the right of the vertex of the graph of f.

• The graph of g is a reflection of the graph of f across the y-axis.

• The y-intercept of the graph of g is 9 units below the y-intercept of the graph of f.

The expression

 $\left(x^{22}\right)\left(x^7\right)^3$   

is equivalent to

 $x^p$  
What is the value of p?

• 43

• 87

• 462

• 32

Tags

CCSS.HSA.APR.A.1

 $210d^2-63d$  

Which expression is equivalent?

• 21d(10d − 3)

• 21d(10d + 3) 

• 21(10d + 3)

• 21(10d − 3)

Tags

CCSS.7.EE.A.1

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

3x - 5y = 22

y = −5x + 32

• -6.5

• 0.5

• 6.5

• -0.5

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

 $5x^2-36x+36=0$  

Which value of x is a solution to this equation?

• x = -6

• x = 4

• x = -1.8

• x = 1.2

Tags

CCSS.HSA-REI.B.4B

What is the solution to −(6m + 8) = 4(17 − m)?

• m = -38

• m = 38

• m = 6

• m = -6

Tags

CCSS.8.EE.C.7B

 $y=3\left(x+2\right)^2+7$  

Which function is equivalent?

•  $y=3x^2+12x+33$  

•  $y=3x^2+12x+19$  

•  $y=3x^2+19$  

•  $y=3x^2+33$  

What is the equation in slope-intercept form of the line that passes through the point (5, 0) and is parallel to the line represented by y = 1.2x + 3.8?

• y = 1.2x − 6

• y = -1.2x + 6

• y = 1.2x + 5

• y = −1.2x − 5