Unit Test — Cumulative exam Answers
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21
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The system of linear equations and is graphed below.How many solutions does the system of equations have?
A
0B
1C
3D
422
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A line has a slope of and passes through point . What is the equation of the line?
A
y = negative one-fourth x + StartFraction 21 Over 16 EndFraction
B
y = negative one-fourth x + StartFraction 11 Over 16 EndFraction
C
y = negative one-fourth x minus one-fourth
D
y = negative one-fourth x minus five-fourths
23
Which expression represents 7y(8y)?
A
15yB
56yC
56y2D
15y224
Which trend line properly describes the data relationship in the scatterplot?
A
mc014-1.jpg
B
mc014-2.jpg
C
mc014-3.jpg
D
mc014-4.jpg
25
The table of values below represents a linear function and shows the height of a tree since it was transplanted. What was the height of the tree when it was transplanted?Height of a Tree Since It Was TransplantedYears Since the Tree Was Transplanted44.555.56Height (feet)1213141516
A
1 footB
2 feetC
4 feetD
8 feetDid you find these answers helpful?
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