Real Zeros

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

• -⅓

• 3

• 7/2

• -7/2

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

• 3/2

• 6

• 2

• -6

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-REI.B.4B

• 2
• 1
• 4
• None

Identify the zeros:

• x=-2, x=-1, x=0

• x=-2, x=0

• x=-1, x=0, x=2

• x=-2, x=0, x=1

How many real zeros does the function have?

• None

• 2

• 3

• 4

What is another way to say "where a function crosses the x-axis"?

• x-intercept

• zero

• root

• all of these.

Tags

CCSS.HSF-IF.C.7C

Find all real zeros of h(x) = x^3 - 3x^2 + 2x - 6.

• x = -2, 2, 3

• x = -3, -2, 2

• x = -1

• x = 3

Tags

CCSS.HSF-IF.C.7C

Find all real zeros of h(x) = 2x^4 + 4x^3.

• x = 0

• x = -2, 0, 2

• x = -1, 0 ,1

• x = 2

Tags

CCSS.HSF-IF.C.7C