TEKS.MATH.8.5I

Which equation matches the graph?

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

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TEKS.MATH.8.5I

Which equation best matches the trend line from the scatter plot ?

• A
• B
• C
• D

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TEKS.MATH.8.5I

Dev keeps a record in graph form of how far his car travels and the number of gallons of gasoline it uses.
What is the equation of the line?

• y=64x
• y=128x
• y=32x
• y=16x

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TEKS.MATH.8.5I

How would you write y = 2x - 3 in function notation?

• y = 2x-3

• f = 2x - 3

• f(x) = 2x-3

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TEKS.MATH.8.5I

Which of the following is the equation of the line that has a slope of 3 and passes through the point ( - 1, 9 )?

• y = - 3x + 12

• y = 3x + 3

• y = 3x + 12

• y = 3x - 3

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TEKS.MATH.8.5I

What is standard form of a line?

• y = mx + b

• Ax + By = C

• y - y1 = m(x - x1)

• y = Ax + By

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TEKS.MATH.8.5I

Jackson started with $800 in his savings account, but has to pay $30 a month for his electricity bill. Write an equation that relates his savings, y, to the amount of months, x.

• y = -30x + 800

• y = 30x - 800

• y = -30x

• y = 12x - 30

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TEKS.MATH.8.5I

Write the slope intercept form of the equation 3x - 2y = -16

• y = -3x - 8

• y = -3x + 8

• y = -3/2x - 8

• y = 3/2 x + 8

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TEKS.MATH.8.5I

Write an equation in slope intercept form for a line

that passes through (8,-4) with a slope of ½

• y= ½x - 4

• y = ½x + 8

• y = ½ x - 8

• y = 8x - ½

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TEKS.MATH.8.5I

 Write an equation of a line PERPENDICULAR to  $y=3x+2$  and goes through (3, -4).

•  $y=-\frac{1}{3}x-3$  

•  $y=-\frac{1}{3}x+7$  

•  $y=-\frac{1}{3}x+9$  

•  $y=-\frac{1}{3}x-8$  

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TEKS.MATH.8.5I