Determine the Rate of Change and Initial Value
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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13 questions
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1.
MATH RESPONSE QUESTION
1 min • 2 pts
Vinhs pays a convenience fee when he reserves movie tickets on his cell phone. The app shows him the total cost of his purchase for different numbers of tickets.
What is the initial value?
Mathematical Equivalence
ON
Tags
CCSS.HSF.LE.B.5
2.
DRAG AND DROP QUESTION
1 min • 1 pt
This table shows the value of linear function f(x) for different values of x.
A student graphed the line that represents f(x) on a coordinate plane.
Which statement about the graph of f (x) is true?
The slope of the line is (a) .
The y-intercept of the line is (b) .
positive
negative
Tags
CCSS.HSF.IF.B.4
3.
GRAPHING QUESTION
1 min • 2 pts
Jackson goes to a basketball game. He pays $3 for a student ticket and $1 per item bought at the concession stand. Drag the points to correctly graph the problem. Hint: What is slope? What is y-intercept?
Answer explanation
b = $3 for a student ticket
m = $1 per item at concession stand
So the equation is y = x+ 3
Tags
CCSS.8.EE.B.5
4.
MULTIPLE CHOICE QUESTION
1 min • 6 pts
Which of the following situations could be descried by the equation y= -25x + 120
There are 120 people in the football stadium, and 25 more are entering each hour.
A plumber charges $25 for a house call and $120 per hour.
A teacher has 120 students. Her third period has 25 students
There are 120 gallons of water in a tank. It releases water at a rate of 25 gallons per minute
Tags
CCSS.HSF.LE.B.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The following equation represents the amount of miles Mr. Parola runs each day as he progresses through his 10-mile runner app. What is the initial value?
2
2 miles
Tags
CCSS.HSF.LE.B.5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The following table represents the amount of money in a savings account over time.
How much money was in the account when it was started (i.e. initial value)?
75
77
$75
$77
Tags
CCSS.HSF.LE.B.5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine the rate of change.
$75
$77
Tags
CCSS.8.F.B.4
CCSS.HSF.IF.B.6
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