Use the change of base formula to approximate the logarithm to four decimal places.log
200.8
A. 0.1505
B. 15.2992
C. 0.0654
D. 7.6496
Answer: B
Mathematics
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Simplify.
A. ±0.73 B. 0 C. -0.73 D. 0.73
Mathematics
Find an equation for the ellipse.Center at (0, 0); focus at (-3, 0); vertex at (7, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
First, write the value(s) that make the denominator(s) zero. Then solve the equation.
= 
+ 60
A. x ? 0, 2; 
B. No restrictions; {4}
C. x ? 0; {8}
D. x ? 0; 
Mathematics
Factor the polynomial by substitution.15z4 + 2z2 - 8
A. (5z2 + 4)(3z2 - 2) B. (5z4 + 4)(3z - 2) C. (3z4 + 2)(5z - 4) D. (3z2 + 2)(5z2 - 4)
Mathematics