TEKS.MATH.8.5I

If f(x)=3x-9, find f(5).

• f(5) = 6
• f(5) = 16
• f(5) = -4
• f(5) = 24

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TEKS.MATH.8.5I

Talk time Phone Company charges $0.12 per minute of phone use plus a monthly service fee of $8.00 for its phone service.  Which equation below can be used to find c, the total cost for one month when m, minutes are used?

• c = 0.12m + 8m
• c = 8m + 0.12m
• c = 0.12m + 8
• c = 0.20m

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TEKS.MATH.8.5I

Solve the literal equation for the given variable.

• (y-b)/m
• y/m - b
• y-b/m
• my/by

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TEKS.MATH.8.5I

Which of these represents slope-intercept form of a linear equation?

• y - y₁ = m(x-x₁)
• Ax + By = C
• y = mx + b
• y=kx

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TEKS.MATH.8.5I

Graph 2x - 4 = y

• A
• B
• C
• D

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TEKS.MATH.8.5I

What is the equation of the line that has a slope of 3 and goes through the point (5,4)?

• y = 3x - 11
• y = 3x + 11
• x = 3
• y = -3x - 11

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TEKS.MATH.8.5I

Write in slope-intercept form:
-3x + 4y = 12

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

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TEKS.MATH.8.5I

What is the slope-intercept equation?

• y= - 4/5x + 8
• y=  4/5x - 8
• y= - 5/4x + 8
• y= - 8x - 3

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TEKS.MATH.8.5I

#20 Review:  
Given: f(x) = 2x+1
Find: f(0)

• f(0) = 1
• f(0) = 3
• f(0) = 0
• f(0) = -4

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TEKS.MATH.8.5I

What is the slope-intercept form of a line?

• Ax + By = C

• y = mx + b

• y - y1 = m(x - x1)

• y = Ax + By

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TEKS.MATH.8.5I