REVIEW CHAPTER 2

Solve the following simultaneous equation using the substitution method

2x + 3y = -6
y = x - 1

• x = 2, y = -1
• x = -1, y = 2
• x = -2, y = 1

Solve the following simultaneous equation using the substitution method
7x - 2y = 6
y = 2x + 3

• x = 3, y = 2
• x = 2, y = 3
• x = 1, y = 4
• x = 4, y = 11

Solve the following simultaneous equation using the elimination method
3x + 2y = -19
4x - y = -7

• x = -5, y = 2
• x = -3, y = -5

• x = -2, y = 5
• x = 5, y = -2

Solve the following simultaneous equation using the elimination method

3x - 5y = 7
5x + 2y = 22

• x = 4, y = 1

• x = 2, y = 3
• x = 1, y = 2
• x = 2, y = 1

Billy went to the Show and spent $78 on a
combined total of 9 items including rides and
showbags. If each showbag cost $12 and each ride
cost $7, how many of each did Billy buy?

• Billy bought 3 showbags and 6 rides
• Billy bought 4 showbags and 5 rides
• Billy bought 5 showbags and 4 rides
• Billy bought 6 showbags and 3 rides

The solution to the simultaneous equations x + 2y = 16 and y = x - 4 is:

• x = 4, y = 0

• x = 8, y = 4

• x = 6, y = 2

• x = 12, y = 8

• x = 5, y = 1

The solution to the simultaneous equations 2x + y = 2 and 2x + 3y = 10 is:

• x = 0, y = 2

• x = 2, y = 2

• x = 2, y = -2

• x = -1, y = 4

• x = -2, y = 6

Two numbers have a difference of 7 and an average of 4. Find the numbers

• 1 and 8
• 2 and 9
• 0.5 and 7.5

• -1 and 6

Colin has a jar containing only 5-cent and 20-cent coins. In total there are 31 coins
with a total value of $3.50. How many of each type of coin does Colin have?

($1 = 100 cents)

• 18 five-cent coins and 13 twenty-cent coins

• 15 five-cent coins and 16 twenty-cent coins

• 11 five-cent coins and 11 20 twenty-cent coins

• 13 five-cent coins and 18 twenty-cent coins

Margarine is sold in either 250g or 400g packs. A hotel ordered 19.6 kg of margarine and received 58 packs. How many of each type did the hotel receive?

• 48 packs of 250 g and 10 packs of 400 g
• 24 packs of 250 g and 34 packs of 400 g

• 52 packs of 250 g and 6 packs of 400 g
• 46 packs of 250 g and 12 packs of 400 g