Use the quadratic formula to solve the quadratic equation.4x2 + 12x = - 4

A.
B.
C.
D.


Answer: B

Mathematics

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Find the indicated term by use of the following information. The r + 1 term of the expansion of (a + b)n is given by  an - r brThe term involving y11 in (x + y)15

A. 1365x4y11 B. 455x4y11 C. 5460x4y11 D. 4x4y11

Mathematics

Provide an appropriate response.What division fact is illustrated by the diagram?

A. 15 ÷ 3 = 5 B. 3 × 5 = 5 × 3

Mathematics

Write the whole number in expanded form.59,409,004

A. 50,000,000 + 9,000,000 + 400,000 + 900 + 4 B. 50,000,000 + 900,000 + 40,000 + 9000 + 4 C. 50,000,000 + 9,000,000 + 400,000 + 9000 + 4 D. 59,000,000 + 409,000 + 4

Mathematics

Solve the problem.An office manager is buying used filing cabinets. Small file cabinets cost $4 each and large file cabinets cost $11 each, and the manager cannot spend more than $61 on file cabinets. A small cabinet takes up 5 square feet of floor space and a large cabinet takes up 9 square feet, and the office has no more than 62 square feet of floor space available for file cabinets. The manager must buy at least 5 file cabinets in order to get free delivery. Let x = the number of small file cabinets bought and y = the number of large file cabinets bought. Write a system of inequalities that describes these constraints.

A. 4x + 11y ? 61 9x + 5y ? 62 x ? 5 B. 4x + 11y ? 61 5x + 9y ? 62 y ? 5 C. 4x + 11y ? 61 5x + 9y ? 62 x + y ? 5 D. 4x + 11y ? 61 5x + 9y ? 62 x + y ? 5

Mathematics