Comparing Functions and Initial Value
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+4
Standards-aligned
Anthony Clark
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation 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
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write an equation for the line
y = 50x
y = 20x
y = 0.02x
y = 0.2x
Tags
CCSS.8.EE.B.5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the y-intercept?
(0,7)
(0, 0)
(0,1)
(0, 2)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the rate of change
1
2
11
Not a constant slope/Non-Linear
Tags
CCSS.8.F.B.4
CCSS.HSF.IF.B.6
5.
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
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose a bacteria is introduced to two different solutions in separate petri dishes. The bacteria in the first solution grow at a rate modeled by the function G(t) = (1.40)t. The bacteria in the second solution grow in accordance with the data displayed in the table. Which statement best describes the growth rates exhibited within the two different solutions?
The bacteria grow at the same rate in both solutions.
The bacteria grow at a slower rate in the first solution.
The bacteria grow at a faster rate in the first solution.
The bacteria decay in the first solution and grow in the second solution.
Tags
CCSS.8.F.A.2
CCSS.HSF.IF.C.9
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jay earns $50 per week, plus $5.25 for each hour worked in a given week. Fred’s earnings are calculated using the formula P = 6.25(x + 8), where x is the number of hours Matt worked.
Jay earns $2.75 per hour less than Fred.
Fred earns $40 more than Jay for 40 hours of work.
Jay and Fred both earn the same for 40 hours of work in a week.
Fred earns $42 less than Jay each week when both work 0 hours.
Tags
CCSS.8.F.A.2
CCSS.HSF.IF.C.9
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