Write an equation and then solve.Consider any unknown real number such that its square increased by four times the number is 3. Find the exact value of the number(s).
A. -2 - 
or -2 + 
B. 2 - 
or 2 + 
C. 2 - 
or 2 + 
D. -2 - 
or -2 + 
Answer: A
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Use scientific notation to solve the problem.A computer can do one calculation in 1.4 x 10-7seconds. How long would it take the computer to do a trillion (1012) calculations?
A. 1.4 x 106 sec B. 1.4 x 1012 sec C. 1.4 x 10-7 sec D. 1.4 x 105 sec
Find the grade point average for the following student. Assume A = 4, B = 3, C = 2, D = 1, and F = 0. Round answer to the nearest tenth.
A. 1.5 B. 9.8 C. 3.8 D. 2.5
Combine the terms y and y' into the derivative of a product, then solve the equation.
Is this the solution: 
Enter "yes" or "no".
Fill in the blank(s) with the appropriate word(s).
Perform the division. Write the answer with positive exponents.
A. 20x7 + 
B. -4 + 4x4
C. -4 - 20x3
D. -4 + 