• 5

• 6

• 9

• 4

• 3

• 6

• 9

• 4

• 19

• -12

• 15

• There is no constant.

In the following expression, which numbers are coefficients?
18x⁷ + 4x³ - 11x² + 9

• 18, 4, -11, 9
• 18, 4, -11
• 7, 3, 2
• 18, 4, 11, 2

What are the factors of the non-constant terms of the expression 11x² + 7x – 4?

• 11 and x², 7 and x

• 11 and 7

• There aren't any factors in these terms.

• x

How many terms are in the following expression?
2x³ - 7 + 11x⁸ - 4x⁵

• 1
• 2
• 3
• 4

x + 8 = 15

• 7

• 8

• 9

• 6

n - 4 = 12

• 12

• 10

• 8

• 16

5n = 30

• 8

• 12

• 6

• 5

n/2 = 5

• 10

• 2

• 5

• 20