Practice Test

Q1. A mobile plan charges a fixed fee of $10 plus $2 per gigabyte. Which equation represents the total cost C for g gigabytes?

C = 10g + 2
C = 2g − 10
C = 2g + 10
C = 10 − 2g

Q2. If x + 7 = 15, which value satisfies the equation?

7
8
15
22

Q3. A formula is given as A = 5p. Which equation makes p the subject?

p = A + 5
p = 5A
p = A ÷ 5
p = A − 5

Q4. Which value of x makes 4x − 6 = 10 true?

1
2
3
4

Q5. Which situation best matches y = 3x + 5?

Multiply by 5 then add 3
A fixed value of 3 added repeatedly
A starting value of 5 increasing by 3
A decreasing pattern