SOLVING LINEAR EQUATIONS QUIZ

Solve for v.

–7v=8–8v

• 8
• 7
• 0
• -8

Solve for m.

10+8m=–10m–8

• -1
• 2

• -8
• 18

Solve for x.

6(2x+1)=18

• 2
• 3
• 0
• 1

Solve for x.

2(3x+4)+2=4+3x

• -1
• -2
• 1
• 0

Simplify the expression.

4x+8z-3y+5z

• 4x + 5z - 3y
• 4x + 8z + 5z
• 4x - 3y + 8z
• 4x - 3y + 13z

Find the error in the problem below.

19-2k=3k-1

+3k +3k

19+1k=-1

-19 -19

k=-20

• instead of adding 3k, they should subtract 3k

• k=-1

• k=4
• instead of subtracting 9k, they should add 9k

Which step contains an error?

16x-15-9x=13

1) 7x-15=13

2) 7x=28

3) x=4

• 1

• 2

• 3

• No Error

What equation would describe "two times a number plus five equals 15"?

A pizza delivery service charges a base fee of $3 plus $1.50 for each pizza ordered. The equation gives the total charge Y for X pizzas: y = 1.5x + 3.

If 7 pizzas are ordered, what is the total charge?

• $10.50
• $13.50
• $12.00
• $15.00

Which situation can be represented by the equation y = 8x + 42.5

• Emily plans to take art classes to learn how to paint. She spends $42.50 on supplies at Hobby Lobby and $8.00 on supplies at Michaels. What is y, the total amount spent after buying x supplies?

• Ari has $42.50 in her bank account. She spends $8.00 on Christmas gifts for each of her AVID mentees. How much total money, y, does Ari have in her account after buying x, gifts?

• Christine buys some movie tickets for $8.00 each. Then she spends $42.50 on snacks at the concession stand. What is y, the total amount spent after buying, x, tickets?

• Stephen is a baker and sells birthday cakes. He spends $42.50 on ingredients, then charges $8.00 per cake. What is y, the total amount earned after selling x, cakes?