Algebra practice question

Answer: 8

f(x) = −2x + b with 10 = −6 + b gives b = 16, so f(x) = −2x + 16, which is 0 at x = 8.

Common wrong answers

If you answered 5

5 is 10 divided by 2 without the intercept.

If you answered 16

16 is the y-intercept.

If you answered -8

−8 has the sign wrong.

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