Functions and Operations on Polynomials

Find the product:
(3r-4)(7r-5)

• 21r²-43r+20

• 21r+43r²+9

• 7r+12r

• r+2r

Tags

CCSS.HSA.APR.A.1

(12a - 3b) - (3a + 4b)

• 15a + b

• 9a + b

• 9a - 7b

• 15a + 7b

Tags

CCSS.HSA.APR.A.1

(m + 2)(m - 4)

Tags

CCSS.HSA.APR.A.1

f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find (f - g)(x).

• x² + 8x + 1

• x² + 6x - 1

• 5x² + 8x - 1

• x² + 8x -1

Tags

CCSS.HSF-BF.A.1B

Given f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find (f + g)(x).

• 11x² - 1

• 5x⁴ + 6x² - 1

• 5x² + 6x - 1

• 5x² + 8x - 1

Tags

CCSS.HSF-BF.A.1C

• A

• B

• C

• D

Tags

CCSS.HSF-BF.A.1C

• A

• B

• C

• D

Tags

CCSS.HSF.IF.A.2

Given
f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find (f + g)(x).

• 11x² - 1

• 5x⁴ + 6x² - 1

• 5x² + 6x - 1

• 5x² + 8x - 1

Tags

CCSS.HSF-BF.A.1C

Given f(x) = 3x² - 2x + 1 and           g(x) = x - 4, find (f*g)(x). 

• 3x³ - 10x² - 7x - 4

• 3x³ - 14x² + 9x - 4

• 3x² - x - 3

• 3x³ + 14x² - 9x - 4

Tags

CCSS.HSF-BF.A.1B

Find (f-g)(2)
 if f(x)=4x+10 and g(x)=3x-7

• 18

• -1

• 19

• 17

Tags

CCSS.HSF-BF.A.1B