Solve the quadratic equation by factoring.4x2 - 5x - 9 = 0
A. x = 
, 1
B. x = 
, -1
C. x = 
, 0
D. x = 
, -1
Answer: B
Mathematics
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Find the equation for the level surface of the function through the given point.f(x, y, z) = 
+ 
, (6, e4, e5)
A. 5e5 - 4e4 + 5e6 + 2 = 
+ 
B. 4e5 - 3e4 + 5e6 + 1 = 
+ 
C. 5e5 - 4e4 + 5e6 + 1 = 
+ 
D. 5e5 - 4e4 + 5e6 + 1 = ln ? + 1 + t et
Mathematics
Solve the formula for the specified variable.a + b = s + r for s
A. s = 
B. s = a + b - r
C. s = 
+ b
D. s = r(a + b)
Mathematics
Subtract. Simplify, if possible.
- 
A. 
B. 
C. 0
D. 
Mathematics
Multiply. Write the answer in lowest terms.
? 
A. 
B. 
C. 
D. 
Mathematics