Factor the difference of two squares.25 - 36x2
A. (5 + 6x)(5 - 6x)
B. (5 + 6x)2
C. (5 - 6x)2
D. prime
Answer: A
Mathematics
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Use the discriminant to determine the number of real solutions.(-7 - 4x)2 = 78
A. No real solutions B. One real solution C. Two real solutions
Mathematics
List the intercepts for the graph of the equation.9x2 + 16y2 = 144
A. (-3, 0), (-4, 0), (4, 0), (3, 0) B. (-4, 0), (0, -3), (0, 3), (4, 0) C. (-9, 0), (-16, 0), (16, 0), (9, 0) D. (-16, 0), (0, -9), (0, 9), (16, 0)
Mathematics
Solve the problem.How long will it take for prices in the economy to double at a 9% annual inflation rate? (Round to the nearest year.)
A. 23 yr B. 13 yr C. 8 yr D. 7 yr
Mathematics
Draw a careful graph of the function f defined by the formula
Mathematics