Use the quadratic formula or graphing methods to solve the inequality.2x2 + 10x + 4 ? 0

A.  ? -4.562 ? x ?  ? -0.438
B. x ?  ? -4.562
C. x ?  ? -0.438
D. x ?  ? -4.562 or x ?  ? -0.438


Answer: A

Mathematics

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Use the requested method to find the product.137 ? 88; Use the Russian peasant method

A. 12,046 B. 12,156 C. 12,056 D. 12,066

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Let R, F, L, B, T, U mean rotate 90° clockwise the right, front, left, back, top, and under faces, respectively. Name the move that will return the cube to standard position after making the move U-1.

What will be an ideal response?

Mathematics

Sketch the graph of the equation. Identify the vertex and the intercepts.y = x2 + 4x - 7

A. vertex: (-2, -11); 
x-intercepts: (-2 ± , 0); 
y-intercept: (0, -7)

B. vertex: 
x-intercepts: (-4, 0) and (3, 0); 
y-intercept: (0, -12)

C. vertex: (4, 0); 
x-intercept: (4, 0); 
y-intercept: (0, 7)

D. vertex: (-2, 3); 
x-intercepts: none; 
y-intercept: (0, 7)

Mathematics

Evaluate the integral.

A.
B.
C. 12
D. 36

Mathematics