Topic 7 - Polynomials and Factoring

What is (7x² - 4) + (6x³ - 4x - 4x⁴), written in standard form?

• • -1

• 4

• 5

• 6

• 33

• 12
• -17
• 24
• 6
• -16

Which is the product of (3x − 5) and (3x + 5) ?

• 9x² - 25

• 9x² - 30x - 25

• 9x - 10

• 9x² + 25

Use the difference of two squares to find the product of 22 and 18.

Complete the steps.

(​ (a)   + ​ (b)   )(​ (c)   - ​ (d)   )

= (​ (e)   )² - ( 2 )²

= 396

• 20
• 2
• 22
• 18

Which is the product (3x + 4)² ?

• 9x² + 12x + 16

• 9x³ + 12x + 16

• 9x³ + 24x + 16

• 9x² + 24x + 16

What is 24x³ - 16x² + 20x divided by 4x?

• 6x² - 4x + 5

• 6x² + 4x - 5

• 6x³ - 4x - 5

• 6x³ + 4x - 5