Comparing Functions Using Slope
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Anthony Clark
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The table below shows some of the values for the linear function f.
Let g be the linear function defined by g(x) = 4x + 5.
Which statement is true?
The graph of f has a greater slope than the graph of g.
The graph of g has a greater slope than the graph of f.
The graph of f has the same slope as the graph of g.
The slopes of the graphs of f and g are undefined.
Tags
CCSS.8.F.A.2
CCSS.HSF.IF.C.9
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Leonard compared the cost of purchasing a gallon of gas at two different gas stations. The function C(g) = 3.25 + 0.07x models the average cost of a gallon of gas at the first gas station after x months. The table below shows the average cost of a gallon of gas at the second gas station after different numbers of months. Which statement is true?
The first station had a higher initial price per gallon and increased at a greater amount per month than the second station.
The second station had a higher initial price per gallon and increased at a greater amount per month than the first station.
The first station had a higher initial price per gallon but increased at a smaller amount per month than the second station.
The second station had a higher initial price per gallon but increased at a smaller amount per month than the first station.
Tags
CCSS.8.F.A.2
CCSS.HSF.IF.C.9
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the approximate difference in the growth rates of the two functions?
0%
3%
5%
8%
Tags
CCSS.8.F.A.2
CCSS.HSF.IF.C.9
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kyle sells bags of popcorn at school events. The function P = 1.25b – 18 represents Kyle’s profit, where P stands for profit and b stands for the number of bags of popcorn sold. His brother Nathan sells bottles of fruit juice and has kept track of his daily sales and profit in the table. If Nathan’s profit is modeled linearly, which statement can be predicted from the two models?
Kyle will have a higher profit than Nathan if they each sell 50 items.
Kyle will have a higher profit than Nathan if they each sell 40 items.
Kyle will have a higher profit than Nathan if they each sell 30 items.
Kyle will have a higher profit than Nathan if they each sell 20 items.
Tags
CCSS.8.F.A.2
CCSS.HSF.IF.C.9
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Here is a linear function. Which table has the same slope as the function in the graph?
Tags
CCSS.8.F.A.2
CCSS.HSF.IF.C.9
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Equation A: y = 2x + 3
Equation B: y = 3x - 3
Which equation has a higher slope?
Equation A
Equation B
They have the same slope
Tags
CCSS.8.F.A.2
CCSS.HSF.IF.C.9
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which equation has a greater slope?
Equation A
Equation B
They have the same slope
Tags
CCSS.8.F.A.2
CCSS.HSF.IF.C.9
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