WM (03/15 & 16 of 2022)

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

• x-intercept
• zero
• root
• all of these.

Which is a zero of the graph?

• 0
• -1
• 1.5
• -3

What are the zeros of the function?

• 4,1
• 3,1,-2,-5
• -3, -1, 2, 5
• -2,4

Write the cubic polynomial in factored form with 
zeros -1, 1, and 4

• (x + 1) (x - 1) (x - 4)
• x³ - 4x² - x + 4
• (x + 1) (x - 1) (x + 4)
• x³ - 4x² - x - 4

Which polynomial is in standard form?

• 2 + x + 4

• x⁴ + x⁷

• 2 + x² + 3x

• 2x³ + 3x² + x + 4

If the zeros of a polynomial are -1, 3, and 7 then what does the polynomial look like in factored form?

• (x-1)(x+3)(x+7)

• (x+1)(x-3)(x-7)

• -x² + 3x + 7

• (x-1)

What are the zeros in (x-5)(x+4)

• 4 and -5

• 5 and -4

• -4 and -5

• no zeros

Which of the following would be the correct factored form with roots 2, 5, and 6?

• (x-6)(x-2)(x+5)(x-5)

• (x+6)(x+2)(x+5)

• (x-6)(x-2)(x-5)

• (x+6)(x+2)(x-5)

What is another word for zeros?

• solutions

• x -intercepts

• roots

• All of the these!

The largest exponent determines the degree of the polynomial.

• True
• False