Substitution Values

Which equation matches the table?

• y = x + 5

• y = 5x

• y = x - 5

• x = y - 5

Find the missing OUTPUT value.

• 8

• -2

• 2

• -8

Which list of numbers completes the table?

• 63, 84

• 48, 72

• 60, 78

• 54, 72

You are given the equation
2x + 3y = 6
Substitute the values (3, 0) into the equation. Which equation below shows a correct substitution?

• 2(0) + 3(3) = 6

• 2(3) + 3(0) = 6

• 3x + 0y = 6

• 2(3x) + 3(0y) = 6

Solve for x and y (Use Substitution)

y = 2x + 1

y = 4x - 1

• (1,3)

• (-1,-3)

• (-1,3)

• (3,1)

• (1,1)

Solve the system of equations using substitution:

-4x + 4y = 8

y = -2x - 10

• (-4, -2)

• (12, -34)

• (4, -18)

• (-2, -6)

• (-4, 6)

• A
• B
• C
• D

Solve the following systems of equations using substitution:

x = 6

y = 2x - 3

• (6, 6)

• (6, 9)

• (9, 6)

• (9, 9)

y = 2x + 9

x = -3

• (-3, -33)

• (-3, 8)

• (-3, 3)

• (3, -3)

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
2a

• 5

• 6

• 8

• 10