Solve the following system of equations using the addition method. If both variables cancel out, state your solution as no solution or infinitely many solutions.- x + 3y = 317x - 3y = -73
A. (-6, 7)
B. (-8, -7)
C. no solution
D. (-7, 8)
Answer: D
Mathematics
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Find the absolute value.
A. 28 B. 0 C. 14 D. -14
Mathematics
Use a graphing calculator to approximate the real zeros of the function defined by f(x). Express decimal approximations to the nearest hundredth.f(x) = -
x3 + 
x + 
A. No real zeros B. 1.28 C. 1.49, -1.49 D. 1.46
Mathematics
Solve the equation. Express radicals in simplest form.(x - 4)2 = 4
A. 6, 2 B. 2, -6 C. 8 D. 2, -2
Mathematics
Factor the polynomial.343y3 - 216
A. (7y - 6)(49y2 + 42y + 36) B. (343y - 6)(y2 + 42y + 36) C. (7y - 6)(49y2 + 36) D. (7y + 6)(49y2 - 42y + 36)
Mathematics