Solve the equation for the indicated variable.ax + b = 0 for x

A. - 
B. -ab
C.
D. -b - a

Answer: A

Mathematics

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

A. vertex: (2, 0);
x-intercept: (2, 0);
y-intercept: (0, 4)

B. vertex: (-2, 0);
x-intercept: (-2, 0);
y-intercept: (0, -4)

C. vertex: (2, 0);
x-intercept: (2, 0);
y-intercept: (0, -4)

D. vertex: (-2, 0);
x-intercept: (-2, 0);
y-intercept: (0, 4)

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Mathematics

Use the given information to find the exact value of the trigonometric function.sin ? = , ? lies in quadrant IFind sin .

A.
B.
C.
D.

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Mathematics

Write as the sum and/or difference of logarithms. Express powers as factors. log7

A. log7r ? log7s ÷ 2log7u
B. 2log7r + 5log7s - 2log7u
C. log7r + log7s - log7u
D. log7r + log7s - 2log7u

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Mathematics

Provide an appropriate response.True or false: Since tan ? = , if tan ? =  with ? in quadrant I, then  and cos ? = 3. If false, explain why.

What will be an ideal response?

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Mathematics