Special Linear Relationships Answers

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The estimated total cost, y, of a child’s toy is partially based on the number of batteries used, x. The cost of one battery is $0.75. The toy itself costs $12. Which equation represents the situation?

A
y = 12x + 0.75
B
y = 0.75x + 12
C
y = 12x – 0.75
D
y = 0.75x – 12
2
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Four students graphed one linear function each.RhettCameronEllisBradenWhich student graphed a linear function with a y-intercept at –4?

Question illustration
A
Rhett
B
Cameron
C
Ellis
D
Braden
3

What is the slope and the y-intercept of the line on the graph below?

Question illustration
A
slope = –4, y-intercept = 1
B
slope = –4, y-intercept = 4
C
slope = , y-intercept = 1
Option C
D
slope = , y-intercept = 4
Option D
4

What is the slope, m, and y-intercept for the line that is plotted on the grid below?

Question illustration
A
m = , (0, –2)
Option A
B
m = , (0, 4)
Option B
C
m = 2, (0, –2)
D
m = 2, (0, 4)

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