Question

Calculate the zeros of the function y=x^2−9x+14 .

(0,7) and (0,2)

(7,0) and (2,0)

(0,14)

None of these
@calcmathlete

Answer 1

I think true @Calcmathlete

Answer 2

Sorry, was helping someone else. To calculate the zeroes, we set y = 0 and factor.
\[0 = x^2 - 9x + 14\]So, we need to find two numbers that multiply to 14 but add up to -9. By inspection, -7 and -2 fit the bill.
\[0 = x^2 - 9x + 14 \implies 0 = (x - 7)(x - 2)\]Can you get the zeroes from there?

Answer 3

yes

Answer 4

To make sure, which of those do you think the answer is?

Answer 5

B

Answer 6

Yup! Good job!