AnswersLA-Algebra II AEquations in One Variable

Equations in One Variable Answers

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For each hour he babysits, Anderson earns $1 more than half of Carey’s hourly rate. Anderson earns $6 per hour. Which equation can be used to solve for Carey’s hourly rate, c?

A
One-half c plus 1 equals 6
Option A
B
One-half c minus 1 equals 6
Option B
C
One-half c plus 6 equals 1
Option C
D
One-half c minus 6 equals 1
Option D
2
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What is the solution set of |–x| = –10?

A
{10}
B
{–10}
C
{–10, 10}
D
no solution
3

The Blakely family has driven 50 miles of a 200-mile trip. Their car travels 30 miles per gallon of gas. How many gallons of gasoline, g, will the car use on the remainder of the trip?

A
gallons
Option A
B
gallons
Option B
C
gallons
Option C
D
gallons
Option D
4

Carina begins to solve the equation by adding 4 to both sides. Which statements regarding the rest of the solving process could be true? Select three options.After adding 4 to both sides, the equation is .After adding 4 to both sides, the equation is .The equation can be solved for using exactly one more step by multiplying both sides by .The equation can be solved for x using exactly one more step by dividing both sides by .The equation can be solved for x using exactly one more step by multiplying both sides by .

Question illustration
A
After adding 4 to both sides, the equation is .
Option A
B
After adding 4 to both sides, the equation is .
Option B
C
The equation can be solved for using exactly one more step by multiplying both sides by .
Option C
D
The equation can be solved for x using exactly one more step by dividing both sides by .
Option D
E
The equation can be solved for x using exactly one more step by multiplying both sides by .
Option E
5

Zoe is solving the equation 3x – 4 = –10 for x.She used the addition property of equality to isolate the variable term as shown.3x – 4 = –103x – 4 + 4 = –10 + 43x = – 6

A
either the addition or subtraction property of equality
B
either the multiplication or division property of equality
C
either the addition or multiplication property of equality
D
either the subtraction or division property of equality
6

For which equations below is x = –3 a possible solution? Select three options.|x| = 3|x| = –3|–x| = 3|–x| = –3–|x| = –3

A
|x| = 3
B
|x| = –3
C
|–x| = 3
D
|–x| = –3
E
–|x| = –3
7

For a snack, Sameer ate a plum with 32 calories and several strawberries with 4 calories each. If the total number of calories in Sameer’s snack was 56, how many strawberries did he eat?

A
6 strawberries
B
8 strawberries
C
14 strawberries
D
22 strawberries
8

Franklin deposited $75 in a no-interest bank account when he opened it. After that, he deposits $50 per month in the account. Assume he makes no other withdrawals or deposits. The equation below can be used to find m , the number of months it will take him to save a total of $175.75 + ?m = 175What number should he use as the coefficient of m?

A
50
B
75
C
125
D
175
9

A cylindrical container has a height of 24 inches. Currently, the container is filled with water to a height of 18 inches. A leaky faucet drips into the container, causing the height of the water in the container to increase by 2 inches per hour. The equation below can be used to find t, the number of hours it would take to fill the container.18 + ?t = 24What number should be the coefficient of t?

A
2
B
3
C
18
D
24
10

The length of a rectangle is 4 units shorter than half the width. If the length of the rectangle is 18 units, which equation can be used to find w, the width of the rectangle?

A
18 equals StartFraction w Over 2 EndFraction minus 4
Option A
B
18 equals 4 minus StartFraction w Over 2 EndFraction
Option B
C
18 minus 4 equals StartFraction w Over 2 EndFraction
Option C
D
18 minus StartFraction w Over 2 EndFraction equals 4
Option D

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