Unit 1 Test Review

• -1
• -3
• 1

• -80
• -16
• 1.8
• 16

• -1
• 4
• 0
• 3

• x=5
• x=1
• x= -1/10
• x=6

Mr. Jefferson bought 336 markers for his class. The markers came in packs of 12. How many packs did he buy?

• 336-x=12; He bought 324 packs of markers.
• 12x=336; He bought 28 packs of markers.
• 336x=12; He bought .04 packs of markers.
• x+12=336; He bought 324 packs of markers.

A total of 66 people on a swim team are riding in 11 vans. How many people are riding in each van if each van is carrying the same number of people? Hint: if you aren't sure, draw a sketch of 11 vans and try dividing up the 66 people!

• x-11=66; x=77
• x+11=66; x=55
• 11x=66; x=6
• 66x=11; x=1/6

Which equation models the following situation: The SUM of 24 and a number is 40.

• 24+40=x
• 24+x=40
• 40+x=24
• 24-x=40

Superb Auto pays new salespeople a base salary of $2500 per month and a 6.5% commission on all sales (s). Monthly salaries (m) are calculated with the equation shown here: m=2500+0.065s. What is the monthly salary for someone who sells $70,834 in cars?

• $7104.21
• $2104.21
• $2960.42
• $4604.21

Which equation has infinitely many solutions? Hint: you must solve each of these equations first. Remember, infinitely many solutions means that both sides of the equals sign are equal to each other!

• 15-(2v+3)=-2v-8
• 5w+8-w=6w+8
• 7m-2=8m+4
• 8y+3+y=6y+3(y+1)

A concert admission ticket costs $30 and a concert tour shirt costs $15. Alyssa paid $75 at the concert for admission and shirts. Write and solve an equation to find the number of shirts Alyssa bought. Explain what your variable represents (start here - what does the variable represent?). 

• Let x=number of admission tickets; 30x+15=75; 2 tickets
• Let x=number of admission tickets; 15x+30=75; 3 tickets 
• Let x=number of shirts; 30x+15=75; 2 shirts
• Let x=number of shirts; 15x+30=75; 3 shirts