Perform the indicated operation.-5
- 8
A. -13
B. -13
C. 3
D. 40
Answer: B
Mathematics
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Provide an appropriate response.When using the substitution or addition method to solve a system of two equations, you end up with an equation stating 0 = 0. What does this indicate to you about the system of equations?
What will be an ideal response?
Mathematics
Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.x2 - 10x + 34 = 0
A. x = 5 ± 9i B. x = 5 + 3i C. x = 5 ± 3i D. x = 2, 8
Mathematics
Solve the system by using the inverse of the coefficient matrix. 9x - 5y - z = 39 x + 7y + 2z = 56 3x + y + z = 33
A. {(-8, 6, 16)} B. ? C. {(8, 6, 3)} D. {(8, 3, 6)}
Mathematics
Simplify the radical. Assume that all variables represent positive numbers.
A. 55
B. 11
C. 77
D. 121
Mathematics