Jeff began deriving the quadratic formula.

ax² + bx + c = 0

x2+bax+ca=0

What step should Jeff do next?

Add b2a to each side.

Take the square root of each side.

Subtract ca from both sides.

Subtract x² from each side.

Complete the square 2x

A manufacturer makes bags of popcorn and bags of potato chips. the average weight of a bag of popcorn is supposed to be 3.02 ounces with an allowable deviation of 0.02 ounces. the average weight of a bag of potato chips is supposed to be 5.

A fan is marked up 40% off the original price. The original price was $20. What is the new price of the fan before sales tax

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The simple interest formula is I = Prt, where I represents simple interest on an amount, P, for t years at a rate of r, where r is expressed as a decimal.

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Solve for x, assuming a, b, and c are negative constants. (ax + b) / c ≤ b

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