Problem Solving with Slope

Quiz
•
Mathematics
•
8th Grade
•
Hard
+7
Standards-aligned
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The scatter plot shows the the cost of gas per gallon during certain years.
What is the equation for the trend line in slope-intercept form.
y = .25x + .05
y = .05x + .25
y = x + .25
y = 2x + 1.5x + .25
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The scatter plot shows the the cost of gas per gallon during certain years.
How can the trend line equation be used to predict the cost of gas per gallon in the year 1992?
Substitute 92 for x in the equation
Substitute 92 for y in the equation
Substitute 22 for x in the equation
Substitute 22 for y in the equation
Tags
CCSS.HSF.BF.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The scatter plot shows the the cost of gas per gallon during certain years. Paul want to know when gas would have cost about $1.50 per gallon. What step should he take?
Substitute 1.50 for y in the equation
Add 1.50 to the y-intercept of the equation
Substitute 1.50 for x in the equation
Add 1.50 to the slope of the equation
Tags
CCSS.HSF.BF.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The scatter plot shows the the cost of gas per gallon during certain years.
Use the trend line equation to predict the cost of gas per gallon in 2017.
$3.50
$2.60
$1.70
$4.40
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the slope of the line, in the standard (x,y) coordinate plane, that is parallel to x + 5y = 9 ?
-5
-1/5
1/5
9/5
9
Tags
CCSS.8.EE.B.5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following situations does not have the same unit rate as the graph shown?
Asher buys gum for $0.20 a piece.
A daycare has six workers for every 30 children.
Melanie reads 9 pages of her book every 45 minutes.
Richie earns $10 every 2 hours to pet sit for his neighbor.
Tags
CCSS.6.RP.A.3A
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Using the graph, determine the equation of the line.
y = 5x
y = 10x
y = 1/5x
y = 1/10x
Tags
CCSS.8.EE.B.5
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