Simplifying Expressions (Category 1)

• f(x) = (3x - 1)(2x + 5)

• f(x) = (3x - 5)(2x - 1)

• f(x) = (3x - 1)(2x - 5)

• f(x) = (3x - 5)(2x + 1)

Answer explanation

GRAPH & MATCH

OVERLAP

EQUIVALENT

The numbers below form an arithmetic sequence. -4, -7, -10, -13, -16, ... Which expression can be used to find the nth term in the sequence?

• 10x - 3

• 10x - 1

• 5x - 3

• 5x - 2

• x + 15

• x - 10

• x + 5

• x - 3

• (x + 9)(2x + 7)

• (x - 9)(2x - 7)

• (x + 7)(2x + 9)

• (x - 7)(2x - 9)

• x - 6

• x - 2

• x - 3

• x - 1

Which of the following is equivalent to 3x - 4y = 6?

• y = -6/7x

• y = -3/4x

• y = 3/4x + 2

• y = 3/4x - 3/2

• 5x + 4

• 3x - 2

• 5x - 4

• 3x - 4

• 3x - 4

• 7x - 5

• 7x + 4

• 3x + 5

The first five terms in a pattern are shown below. −0.5, −0.25, 0, 0.25, 0.5, . . . If the pattern continues, which expression can be used to find the nth term?

• 0.75n − 1.25

• −0.25n − 0.25

• 0.25n − 0.75

• −0.5n + 0.25