Connecting Representations to Functions
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the equation of the line?
y = -3/4x + 3
y = 4/5x + 3
y = -4/5x + 3
y = -4/5x
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A camp charges families a fee of $625 per month for one child and a certain amount more per month for each additional child. Use the graph to write an equation in slope-intercept form to represent the amount a family with x additional children would pay.
y = 625x + 225
y = 225x
y = 225x + 625
y = 625
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pablo has $12. He earns $7 for every lawn he mows. Write an equation to find the amount of money "y" he will have after "x" number of lawns.
y = 12x + 7
y = 7x + 12
Tags
CCSS.6.EE.C.9
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the slope?
-1/3
-3
-4
5
Tags
CCSS.8.EE.B.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In slope intercept form (y=mx+b) what is the "m"?
The y-intercept
The x-intercept
The slope (rate of change)
A point
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jenny writes the equation y = 1/2x +5.
Why is she incorrect?
The slope is -2, the equation should be
y = -2x + 5
The y-intercept is 4, the equation should be y = -2x + 4
The slope is -1/2, the equation should be
y = -1/2x + 5
The y-intercept is -5, the equation should be y = -2x - 5
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Function A is represented by the table. Function B is represented by the equation y = 3x - 4. Which function has the greatest rate of change?
Function A because it has a rate of change of 1/2 and Function B has a rate of change of 1/3.
Function B because it has a rate of change of 3 and Function A has a rate of change of 2.
Function B because it has a rate of change of -4 and Function A has a rate of change of -10.
Function A because it has a rate of change of 10/7 and Function B has a rate of change of 3.
Tags
CCSS.8.F.A.2
CCSS.HSF.IF.C.9
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