TEKS.MATH.8.5B

Determine the y-intercept for the following equation
4x + 2y = -12

• 4
• -6
• -12
• 2

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TEKS.MATH.8.5B

How would you write the equation with a slope of 2/3 and a y-intercept of -3

• y=3/2x+3
• y=2/3-3
• y=2/3x-3

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TEKS.MATH.8.5B

Determine the slope and y-intercept.         y = 3/2x + 3

• slope: 5   y-intercept:  (0,3) 
• slope: 3/2   y-intercept:  (0,3) 
• slope:  4  y-intercept:  (0,3/2)
• slope: 1/5   y-intercept:  (0,5) 

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TEKS.MATH.8.5B

The Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage.  If Juanita uses x minutes of airtime, what is an equation that can be used to determine her monthly cell phone bill (C)?

• C = 0.20x + 15
• C =15 (0.20x)
• C = 15 + x + 0.20
• C = 0.20 + 15x

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TEKS.MATH.8.5B

An internet company charges a $100 set up fee, and then they charge $35 a month after that.  What is the initial value?

• $100
• $35
• $135
• $65

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TEKS.MATH.8.5B

An equation whose solutions form a straight line on a coordinate plane.

• vertical shift
• inequality
• linear equation
• parent function

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TEKS.MATH.8.5B

What does 'b" represent in y=mx+b

• y-intercept
• macaroni
• nothing
• slope

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TEKS.MATH.8.5B

Jan has $100 in her bank account. She adds $15 to her account each month. Maura had $130 in her bank account . She adds $10 to her account each month. A system of equations is used to find how many monthly deposits will be needed for the accounts to have equal balances. Which graph correctly depicts this system of equations and its solution?

• 
• 
• 
• 

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TEKS.MATH.8.5B

If f(x) = 2x+1, what would the function look like once you substitute in a 1 to find f(1)?

• f(x) = 21+1

• f(1) = 2 (1) + 1

• f(1) = 2x (1) + 1

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TEKS.MATH.8.5B

Write the explicit formula for the sequence shown below.

1, 6, 11, 16

• a_n=1+5(n-1)

• a_n=1−5(n-1)

• a_n=5−(n-1)

• a_n=5+(n-1)

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TEKS.MATH.8.5B