Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1
A. 
B. - 
C. -14
D. -49
Answer: A
You might also like to view...
Find the center, transverse axis, vertices, foci, and the equations of the asymptotes of the hyperbola.(x + 1)2 - 9(y - 2)2 = 9
A. center: (-1, 2)
transverse axis: x = -1
vertices: (-1, -1) and (-1, 5),
foci: (-1, 2 - 
) and (-1, 2 + 
),
asymptotes: y + 2 = - 3(x - 1) and y + 2 = 3(x - 1)
B. center: (2, -1)
transverse axis: y = 2
vertices: (-1, -1) and (5, -1)
foci: (2 - 
, -1) and (2 + 
, -1)
asymptotes: y + 1 = - 
(x - 2) and y + 1 = 
(x - 2)
C. center: (-1, 2)
transverse axis: y = 2
vertices: (-4, 2) and (2, 2)
foci: (-1 - 
, 2) and (-1 + 
, 2)
asymptotes: y - 2 = - 
(x + 1) and y - 2 = 
(x + 1)
D. center: (-1, 2)
transverse axis: y = 2
vertices: (-2, 2) and (0, 2)
foci: (-1 - 
, 2) and (-1 + 
, 2)
asymptotes: y - 2 = - 3(x + 1) and y - 2 = 3(x + 1)
Write a numerical expression for the phrase and simplify it.The sum of 7 and -7, decreased by 8
A. [7 + (-7)] + 8; 8 B. [7 - (-7)] - 8; 6 C. [7 + (-8)] + 7; 6 D. [7 + (-7)] - 8; -8
Solve the inequality. Graph the solution set, and state the solution set in interval notation.|3x - 4| > 0
A. 
? 
B. 
? 
C. 
D. 
Find the exact value of y, or state that y is undefined.y = tan-1 
A. 
B. - 
C. 
D. 