Use the discriminant to decide whether the equation represents a parabola, an ellipse, or a hyperbola.5x2 + 3xy - 8y2 + 3x - 4y + 9 = 0
A. Hyperbola
B. Ellipse
C. Parabola
Answer: A
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Solve each system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = -4, y = -5 B. x = -4, y = 5 C. x = 5, y = -4 D. Inconsistent
Solve the system of linear equations using the Gaussian elimination method. If there is no solution, state so; if there are infinitely many solutions, find two of them.
What will be an ideal response?
Solve the problem.Sean has $371 in his savings account. After he withdraws $74, what will his balance be?
A. -$445 B. $445 C. -$297 D. $297
For the expression,a) determine the number of terms;b) write down each term; andc) write down the coefficient for each.Be sure to simplify the expression before answering.-6y - 2
A. a) 2 b) -6y, -2 c) -6, -2 B. a) 2 b) 6y, 2 c) 6, 2 C. a) 1 b) -8y c) -8 D. a) 2 b) -6y, 2 c) -6, 2