Finding Rational and Real Zeros

One zero of 2x³-13x²+36 is 2.
What is another zero?

• 3/2
• 6
• 2
• -6

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

Find all real solutions of the polynomial equation x³ - 3x² - 2x + 4 = 0

• x = -1, 1 ± √5
• x = 1, 1 + √5
• x = 2, 1 ± √5
• x = 1, 1 ± √5

Tags

CCSS.HSA-REI.B.4B

Find all real solutions of the polynomial equation x³ - x² - 7x + 3 = 0

• x = 3, ± √2
• x = -3, -1 ± √2
• x = -1 ± √2
• x = 3, 1 ± √2

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

Find all real solutions of the polynomial equation x³ - 3x² - x + 6 = 0

• x = 2, ½ ± √3/2
• x = -2, ½ ± √13/2
• x = 1, ½ ± √13/2
• x = 2 ½ ± √13/2

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

Find all real solutions of the polynomial equation x³+3x²-8x+4=0

• x = 1, 4, -2
• x=1, -2 - 2√2, -2 + 2√2
• x = -1, 2 ± √2
• x = 4, -1

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

Find all real solutions of the polynomial equation x³-3x²+2=0

• x = 1, - 1 ± √3
• x= -1, 1 ± √3
• x= 1 ± √3, -1
• x=1, 1 ± √3

Tags

CCSS.HSA-REI.B.4B

One zero of 3x³-4x²-28x-16 is 4.
What is another zero?

• 8
• -2
• 6
• 1

One zero of 4x³-17x²-150x-189 is 9.
What is another zero?

• 4
• 7
• -3
• -6

One zero of 2x³-9x²-123x-220 is -4.
What is another zero?

• 18
• 4
• 11
• -7

One zero of 6x³-11x²-102x+35 is 5.
What is another zero?

• -⅓
• 3
• 7/2
• -7/2