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

Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation in y = mx + b form for the total cost of x pounds of fruit from the orchard.

• y = 3x + 2.5
• y = 2.50x + 3
• y = 2.50x 
• y = 3x + 2.50

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

Which of these represents slope-intercept form?

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

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

What is this? 

• Linear function
• Nonlinear function
• Linear, but not a function
• Nonlinear and not a function

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

Is function represented by the table linear or nonlinear?

• linear
• nonlinear

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

Which equation best represents the line on the graph?

• y= 1/2x
• y= -1/2x
• y = 2x
• y = -2x

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

What is the y-intercept?

• 2
• 3
• 4
• -3

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

For the equation
y - 3 = 2(x + 4),
which of the following is true?

• The line has m = 2 passing through the point (4, -3)
• The line has m = 2 passing through the point (3, -4)
• The line has m = 2 passing through the point (-4, 3)
• The line has m = 2 passing through the point (-3, 4)

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

What is the slope of the line?

• Undefined
• Zero
• -1
• 2

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

Is the function linear or nonlinear?

• Linear
• Nonlinear

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

Write the equation of the line.

• y = -1/3x - 2
• y = 1/3x - 2
• y = 3x - 2
• y = -3x - 2

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