AnswersFL-1200700-Mathematics for College Algebra MISSolving Linear Equations: Variable on One Side

Solving Linear Equations: Variable on One Side — Unit test Answers

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Alejandra correctly wrote the equation y – 3 = (x – 10) to represent a line that her teacher sketched. The teacher then changed the line so it had a slope of 2, but still went through the same point. Which equation should Alejandra write to represent the new line?

Question illustration
A
y – 6 = 2(x – 10)
B
y – 2 = (x – 10)
Option B
C
y – 3 = (x – 2)
Option C
D
y – 3 = 2(x – 10)
22
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Which shows the graph of x – 4y =–4?

A
A coordinate plane with a line passing through (0, negative 4) and (1, 0).
Option A
B
A coordinate plane with a line passing through (negative 4, negative 2), (0, negative 1) and (4, 0).
Option B
C
A coordinate plane with a line passing through (negative 2, negative 4), (negative 1, 0) and (0, 4).
Option C
D
A coordinate plane with a line passing through (negative 4, 0) and (0, 1).
Option D
23

A coordinate plane with a line passing through (0, negative 3), (2, 0), and (4, 3).

Question illustration
A
–3x + 2 = y
B
–x + 2 = y
Option B
C
x – 3 = y
Option C
D
2x – 3 = y
24

If a flowering tree is cared for properly, the number of blossoms produced on the tree will exponentially increase until the tree reaches maturity. Which graph could show y, the number of blossoms expected on a flowering tree, for each year after the young tree is planted, x?

A
A graph shows age of trees (years) labeled 1 to 10 on the horizontal axis and number of blossoms on the vertical axis. A line increases from 0 to 3 years then decreases from 3 to 7 years.
Option A
B
A graph shows age of trees (years) labeled 1 to 10 on the horizontal axis and number of blossoms on the vertical axis. A curved line increases from 0 to 8 years.
Option B
C
A graph shows age of trees (years) labeled 1 to 10 on the horizontal axis and number of blossoms on the vertical axis. A straight line increases from 0 to 9 years.
Option C
D
A graph shows age of trees (years) labeled 1 to 10 on the horizontal axis and number of blossoms on the vertical axis. A curved line decreases from 0 to 9 years.
Option D
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Which is the graph of the equation ?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D

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