Solve the system of equations (only real solutions) by the elimination method. Check your solutions.
A. {(2, 0), (-3, 9)}
B. {(-2, 0), (-3, 9)}
C. {(2, 0), (3, 45)}
D. {(1, 9), (-6, 72)}
Answer: D
Mathematics
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Evaluate the following expression.
?
?
A. 81 B. 1 C. -1 D. 0 E. - 1296
Mathematics
Find an equation of the tangent line at x = a.y = x2 + 3; a = 4
A. y = 8x - 26 B. y = 8x - 29 C. y = 4x - 13 D. y = 8x - 13
Mathematics
Provide an appropriate response.Identify the greatest common factor (GCF) of 2x2 + 4x.
A. 2 B. 4x C. x D. 2x
Mathematics
Translate the percent problem to a basic percent equation using x for the unknown value. Do not solve.What number is 54% of 68?
A. 0.54 + 68 = x B. x ? 0.54 = 68 C. x ? 68 = 0.54 D. 0.54 ? 68 = x
Mathematics