Provide an appropriate response.A student insists on finding a common denominator by always multiplying the denominators of the expressions being added or subtracted. How could the student's approach be improved? Explain.
What will be an ideal response?
The student could always find the least common denominator, because simplification is usually either unnecessary or easier when the LCD is used.
Mathematics
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Solve the inequality and graph the solution on the real number line.
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A. 
B.
C.
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D.
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E.
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The formula for an exponential function is 
. Then the initial value is:
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A. 32 B. 136.32 C. t D. 4.26
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Use the graph to estimate all solutions to the system of equations.x2 + 3y2 = 64y = x
A. (4, 4), (-4, -4) B. (0, 0) C. (0, 0), (4, 4), (-4, 4) D. (4, 4), (-4, 4)
Mathematics
Find the product.(-0.2)2
A. 0.04 B. 0.004 C. -0.04 D. -0.004
Mathematics