Given a polynomial f(x), if (x + 7) is a factor, what else must be true?

Asked by maham237 @ 24/12/2020 in Mathematics viewed by 401 People

Given a polynomial f(x), if (x + 7) is a factor, what else must be true? f(0)=7 f(0)=-7 f(7)=0 f(-7)=0

Answered by maham237 @ 24/12/2020

F(-7)=0

Because that makes the (x+7) factor equal zero and any other factor multiplied by zero also results in zero.

Which is a factor of the polynomial f(x) = 6x4 – 21x3 – 4x2 + 24x – 35?

Asked by maham237 @ 26/12/2020 in Mathematics viewed by 459 persons

If a polynomial function f(x) has roots –9 and 7 – i, what must be a factor of f(x)?

Asked by maham237 @ 25/12/2020 in Mathematics viewed by 327 persons

Which polynomial has factors of 4x 7 and x 4

Asked by maham237 @ 09/06/2021 in Mathematics viewed by 352 persons

A) 3x^2 + x – 3 B) 4x^2 + 9x – 28 C) 3x^2 – 7x – 3 D) 4x^2 – 23x – 28

If (x – 5) is a factor of f(x), which of the following must be true?

Asked by maham237 @ 22/12/2020 in Mathematics viewed by 756 persons

If (x – 5) is a factor of f(x), which of the following must be true? A root of f(x) is x = –5. A root of f(x) is x …

If the domain of the square root function f(x) is , which statement must be true?

Asked by maham237 @ 24/12/2020 in Mathematics viewed by 493 persons

If the domain of the square root function f(x) is x<=7, which statement must be true? 7 is subtracted from the x-term inside the radical. The radical is multiplied …

One root of f(x) = 2x3 + 9x2 + 7x – 6 is –3. explain how to find the factors of the polynomial.

Asked by maham237 @ 15/12/2020 in Mathematics viewed by 519 persons

If f(x) is an odd function, which statement about the graph of f(x) must be true?

Asked by maham237 @ 18/12/2020 in Mathematics viewed by 405 persons

A) It has rotational symmetry about the origin. B) It has line symmetry about the line y = –x. C) It has line symmetry about the y-axis. D) It has …

What must be a factor of the polynomial function f(x) graphed on the coordinate plane below?

Asked by maham237 @ 27/12/2020 in Mathematics viewed by 460 persons

What must be a factor of the polynomial function f(x) graphed on the coordinate plane below? x – 3 x – 1 x + 1 x + 3

Write the polynomial in factored form x^3-3x^2-10x

Asked by maham237 @ 25/12/2020 in Mathematics viewed by 318 persons

Which statements are true about the graph of the function f(x) = x2 – 8x + 5? check all that apply.

Asked by maham237 @ 15/12/2020 in Mathematics viewed by 379 persons

The function in vertex form is f(x) = (x – 4)2 – 11. The vertex of the function is (–8, 5). The axis of symmetry is x = 5. The …

Which statement is true about the discontinuities of the function f(x)?

Asked by maham237 @ 17/12/2020 in Mathematics viewed by 863 persons

Which statement is true about the discontinuities of the function f(x) = x-5/3x^2-17x-28 A)There are holes at x = 7 and . B)There are asymptotes at x = 7 and …