Determine whether the equation has two distinct real number solutions, one real number solution, or no real number solution.7x2 = -4x - 7
A. one real number solution
B. two real number solutions
C. no real number solutions
Answer: C
Mathematics
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Solve.xy = 42x + y = 13
A. x = 7, y = -6; x = 6, y = -7 B. x = 7, y = 6; x = 6, y = 7 C. x = -7, y = -6; x = -6, y = -7 D. x = -7, y = 6; x = -6, y = 7
Mathematics
Write the logarithmic equation in exponential form.ln x = -7
A. No solution B. x = ln -7 C. x = e-7 D. x = e7
Mathematics
Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.(9x1/9y1/9)2
A. 81x2/9y2/9 B. 81x2y2 C. 81x1/18y1/18 D. 81x1/81y1/81
Mathematics
If x = -4 and y = -2, evaluate the expression.3x + 2y
A. -14 B. 0 C. -16 D. -8
Mathematics