Solve the equation by completing the square.7x2 + 4x - 3 = 0
A. 
, -1
B. 
, 0
C. 
, 1
D. 
, -1
Answer: A
Mathematics
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Solve the logarithmic equation.log (x - 9) = 1 - log x
A. -10, 1 B. -10 C. 10 D. -1, 10
Mathematics
Graph the plane curve given by the parametric equations. Then find the equivalent rectangular equation.x = 
, y = 4t + 2; 0 ? t ? 4
A. y = -2x + 19; 0 ? x ? 2
B. y = -2x2 + 19; 0 ? x ? 2
C. y = 4x2 + 2; 0 ? x ? 2
D. y = 2x2 + 4; -1 ? x ? 2
Mathematics
Decide whether the statement is possible or impossible.cot ? + 7.99 = 9.03
A. Impossible B. Possible
Mathematics
Simplify the expression.
- tan x
A. csc x B. cot x C. tan x D. tan2 x
Mathematics