REASONING: After placing an equation into his calculator Rob got the following table. He then determines that x = 6 when f(x)= -4. Is he correct? Explain.

you divide the cost ($15) by the quantity (6) to get your questions answer. the yo-yo costs $2.50. hope this : )!

step-by-step explanation:

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a

the answer is 1 becuz if it were 1.0 that would rip apart the entire so ya. : )

~potato.

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