CCSS.Math.Content.8.F.A.3

A line is linear if it forms a straight line.  The graph has a straight line.  Which best describes this graph?

• linear and nonproportional
• linear and proportional
• nonlinear and nonproportional
• nonlinear and proportional

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CCSS.Math.Content.8.F.A.3

Evaluate the function for the given inputs.
For f(x) = -2x + 4,
find f(x) when x = -5

• f(-5) = -6
• f(-5) = -3
• f(-5) = 14
• f(-5) = 2

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CCSS.Math.Content.8.F.A.3

What is the Domain of this linear function?

• -6 ≤ x ≤ 6
• 0 ≤ x ≤ 7
• 2 ≤ x ≤ 7
• No Solution

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CCSS.Math.Content.8.F.A.3

g(x) = 3x + 1
g(10) = ______

• 14
• 31
• 15
• -31

Tags

CCSS.Math.Content.8.F.A.3

The function c(m) = 1.45m + 3.50 represents the cost of a taxi for m miles.
What does c(7) represent?

• A cost of $7 to ride the taxi
• The cost to ride 7 miles
• The minimum distance to ride a taxi
• The minimum cost of a taxi

Tags

CCSS.Math.Content.8.F.A.3

Determine the y-intercept for the following equation. (Hint: put in slope-intercept form)
4x + 2y = -12

• 4
• -6
• -12
• 2

Tags

CCSS.Math.Content.8.F.A.3

Write the slope-intercept form of the equation with the given point and slope.
Through (2,5)  and m = 5/2

• y=5/2x+0 or y=5/2x
• y=-5/2
• y=-5/2x+0 or y=-5/2x

Tags

CCSS.Math.Content.8.F.A.3

In the equation y=mx+b, what does the m represent?

• slope
• y-intercept
• linear
• point-slope

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CCSS.Math.Content.8.F.A.3

Jeff earns $10 per hours raking leaves. Write an equation to find the amount of money "y" he earns for "x" number of hours.

• y = 10x

• x = 10y

• y = x + 7

Tags

CCSS.Math.Content.8.F.A.3

Given the equation y = 4(x + 8) - 5, determine a point on the line.

• (8, 4)

• (-8, 4)

• (-8, -5)

• (-8, 5)

Tags

CCSS.Math.Content.8.F.A.3