Evaluate the algebraic expression for the given value of the variable.2x2 - 2x - 9 for x = -4
A. -33
B. 31
C. 15
D. -49
Answer: B
Mathematics
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Solve the problem.If the length, width, and height of a rectangular solid are measured to be 10, 5, and 2 inches respectively and each measurement is accurate to within 0.1 inch, estimate the maximum possible error in computing the volume of the solid.
A. 9.60 B. 6.40 C. 8.00 D. 7.20
Mathematics
In the following group of computations, one answer is wrong. Use estimation to explain which answer is incorrect.
?
?
?
?
?
1.262 2.7 459.0501
What will be an ideal response?
Mathematics
Identify the equation as either linear or nonlinear by trying to write it in the form 
5x2- 2.1x = x2 - 7
A. Linear B. Nonlinear
Mathematics
Write the exponential equation in logarithmic form.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics