TEKS.MATH.7.7A

Carey and Justin are raising money to purchase books for their school's library. The more money they raise, the more books they will be able to purchase for the library.
m = the amount of money Carey and Justin raise
b = the number of books Carey and Justin will be able to purchase
Which of the variables is dependent?

• m
• b

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TEKS.MATH.7.7A

What is the slope?
y=-3x+5

• -3
• 3
• -3x
• 5

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TEKS.MATH.7.7A

What is an equation for the line that passes through the coordinates (-1,2) and (7,6)  ?

• y = (1/2)x + 2.5
• y = (1/2)x - 5
• y = 3x + 4
• y = -3x + 4

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TEKS.MATH.7.7A

Find the slope of the line that passes through the points (2, 4) and (6, 12)

• 1/2
• -1/2
• 2
• -2

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TEKS.MATH.7.7A

Given the equation y = 2x + 5 , where x is the number of homework questions and y is the number of minutes it takes to do all the homework, what does the y-intercept of the line mean in real world context.

• For every homework assignment, it takes 5 more minutes to complete.
• For every homework assignment, it takes 2 more minutes to complete.
• It initially takes 5 minutes to get homework out and start working.
• It initially takes 2 minutes to get homework out and start working.

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TEKS.MATH.7.7A

What is the equation for this graph?

• y = 1/2x + 0
• y = 4x + 0
• y = 4x + 8
• y = 2x + 0

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TEKS.MATH.7.7A

which of the following is a linear graph?

• 
• 
• 
• 

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TEKS.MATH.7.7A

Solve the system of equations by graphing.

• (2, -5)

• (2, 5)

• (4, -6)

• (-2, -3)

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TEKS.MATH.7.7A

What type of association does this scatter plot show?

• positive linear association
• negative linear association
• no association
• nonlinear association

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TEKS.MATH.7.7A

Identify the y-intercept in y = 3x + 5

• 0

• 3

• -2

• 5

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TEKS.MATH.7.7A