Verify the identity.
2 = 1 - sin x
What will be an ideal response?
2 = 
2 = 
- 2
+ 
= 1 - 2
= 1 - 2
= 1 - sin x
Mathematics
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Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.log x + log(x2 - 144) - log 7 - log(x - 12)
A. log 
B. log 
C. log 
D. log 
Mathematics
Write the expression as a pure imaginary number.
A. -2i
B. 2i
C. ±2
D. -
i
Mathematics
Find an equation of a line satisfying the given conditions.Vertical, passing through (-1.24, 5.09)
A. x = 5.09 B. y = 5.09 C. y = -1.24 D. x = -1.24
Mathematics
Write a system of inequalities whose solution set is the region shown.
A. y ? 2x + 4
y ? 
x + 2
B. y ? -2x + 4
y ? - 
x + 2
C. y ? -2x + 4
y ? - x + 2
D. y ? 2x + 4
y ? 
x + 2
Mathematics