TEKS.MATH.8.5B

f(x) = 8x - 6, what is the value of x when f(x)=18?

• 24
• 138
• 75
• 3

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TEKS.MATH.8.5B

Is the equation y=mx+b linear or nonlinear?

• Linear
• Nonlinear

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TEKS.MATH.8.5B

Write the equation for the line in slope-intercept form.

• y= -1x+3
• y= 4x+3
• y=1/4x+3
• y= -4x+3

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TEKS.MATH.8.5B

Select the graph for y >  -2x - 3

• A
• B
• C
• D

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TEKS.MATH.8.5B

What is the y-intercept of the equation?
-x + 5y = 45

• y = 9 or (0, 9)
• y = 5 or (0, 5)
• y = -9 or (0, -9)
• None of these.

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TEKS.MATH.8.5B

If m=3 and b=6, what is the correct slope intercept equation?

• y=3-6
• y=3x-6
• y=3x+6
• y=6x+3

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TEKS.MATH.8.5B

A candy company sells cases of chocolate bars. The company has fixed costs of $30,000, and each case of chocolate bars costs an additional $5 to make. The company sells each case for $10. 
How many cases of chocolate bars will this company need to sell in order for costs and revenue to be equal?

• 3,500
•  6,000
• 35,000
• 60,000

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TEKS.MATH.8.5B

In order to join a dancing club, there is a $30 startup fee and a $4 monthly fee. Write an equation in slope-intercept form that models this situation.  After how many months will the total cost be $58?

• 7 months
• 6 months
• 5 months 
• 4 months

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TEKS.MATH.8.5B

Which is the graph of the equation y = -2x + 1?

• 
• 
• 
• 

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TEKS.MATH.8.5B

Stella got a new internet plan.  The company charges her $0.15 for each minute plus a monthly fee of $40.  What equation would be used to calculate how much the cost is for her new internet plan?

• y=0.15x-40
• y=0.15x+40
• y=0.15-40x
• y=0.15+40x

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TEKS.MATH.8.5B