AnswersGA-8th Grade MathematicsUnit Test

Unit Test — Unit test Answers

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Which linear function has the steepest slope?

A
On a coordinate plane, a line goes through points (0, 1) and (1, negative 2).
Option A
B
A 2-column table with 4 rows. Column 1 is labeled x with entries 3, 6, 9, 12. Column 2 is labeled y with entries 10, 13, 16, 19.
Option B
C
On a coordinate plane, a line goes through points (0, negative 2) and (1, 0).
Option C
D
A 2-column table with 4 rows. Column 1 is labeled x with entries 2, 4, 6, 8. Column 2 is labeled y with entries negative 4, negative 12, negative 20, negative 28.
Option D
22
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What is the y-intercept of a line that has a slope of and passes through point (8, 3)?

Question illustration
A
1
B
3
C
5
D
11
23

The table below lists some of the characteristics of the houses on Katrina’s street.Characteristics of Homes For Sale on Katrina’s StreetBedroomsAcres of landSale priceAppraised valueProperty tax 20.17$230,000$200,000$1,22020.20$210,000$220,000$1,23230.20$275,000$250,000$1,40040.24$275,000$275,000$1,54040.52$360,000$310,000$1,73640.75$350,000$320,000$1,79251.23$375,000$350,000$1,960Which relationship describes a function?

A
(bedrooms, sale price)
B
(acres of land, appraised value)
C
(sale price, bedrooms)
D
(appraised value, property tax)
24

A line is defined by the equation . Which shows the graph of this line?

Question illustration
A
On a coordinate plane, a line goes through points (negative 2, 0) and (0, 4).
Option A
B
On a coordinate plane, a line goes through points (0, 1) and (2, 5).
Option B
C
On a coordinate plane, a line goes through points (0, 4) and (2, 0).
Option C
D
On a coordinate plane, a line goes through points (0, 2) and (2, 0).
Option D
25

What method can be used to write the equation of a line in slope-intercept form given two points?

A
Find the slope using the formula , and then substitute one point and the slope into the equation to find the y-intercept.
Option A
B
Find the slope using the formula , and then substitute one point and the slope into the equation to find the y-intercept.
Option B
C
Find the y-intercept using the formula , and then substitute one point and the y-intercept into the equation to find the slope.
Option C
D
Find the y-intercept using the formula , and then substitute one point and the y-intercept into the equation to find the slope.
Option D

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Unit Test — Unit test Answers — GA-8th Grade…