Prove that the equation is an identity.
= cos2x
What will be an ideal response?
= 
= 
= 
= cos2x Pythagorean identity
Mathematics
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Write the expression with positive exponents only. Then simplify, if possible.2-3
A. 
B. 
C. -8
D. 8
Mathematics
Solve the inequality and graph the solution set.y - 9 < 1 
A. {y|y ? 10} or [10, ?)
B. {y|y < 10} or (-?, 10)
C. {y|y ? 10} or (-?, 10]
D. {y|y > 10} or (10, ?)
Mathematics
Make a scatterplot by plotting the four points.
What will be an ideal response?
Mathematics
Factor completely, if possible.75x2 - 60x + 12
A. 3(5x + 2)(5x - 2) B. 3(25x2 - 20x + 4) C. (15x - 6)(5x - 2) D. 3(5x - 2)2
Mathematics