Answer the question.Use the equation 2x2 + 5x = c to explain how to solve a quadratic equation by completing the square.

What will be an ideal response?


Divide both sides of the equation by 2. Add  to both sides of the equation. Take the square root of both sides of the equation, being careful to remember to use the positive and negative square roots of the right side. Then add  to both sides of the equation.

Mathematics

You might also like to view...

Multiply the complex numbers and simplify powers of i.2

A. - 
B. -i
C. i
D.

Mathematics

Solve the problem.At Allied Electronics, production has begun on the X-15 Computer Chip. The total revenue function is given by and the total cost function is given by , where x represents the number of boxes of computer chips produced. The total profit function, P(x), is such that . Find P(x).

A. P(x) = 0.3x2 + 38x - 26 B. P(x) = -0.3x2 + 31x + 13 C. P(x) = 0.3x2 + 31x - 39 D. P(x) = -0.3x2 + 38x - 13

Mathematics

Graph the fraction on a number line.

A.

B.

C.

D.

Mathematics

Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log3x6

A. 6log3x6 B. 3log6x C. 3 log x D. 6log3x

Mathematics