Determine whether the equation is an identity, contradiction, or conditional equation.3y + 17 = 3(y + 7) - 4
A. Conditional
B. Identity
C. Contradiction
Answer: B
Mathematics
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Determine whether the graph of the equation is a circle or an ellipse.9x2 + 90x + 25y2 - 50y + 25 = 0
A. Ellipse B. Circle
Mathematics
Write the word statement as an equation. Use x to represent the unknown number. Do not solve.Five times the sum of a number and 30 decreased by 9 is the same as the difference of six times the number and 15.
A. (5x + 30) - 9 = 6x - 15 B. (5x + 30) - 9 = 15 - 6x C. 5(x + 30) - 9 = 6(x - 15) D. 5(x + 30) - 9 = 6x - 15
Mathematics
Simplify the complex fraction.
A. 
B. 
C. 8
D. 
Mathematics
Factor the perfect square trinomial completely.25x2 - 40xy + 16y2
A. (5x - 4y)(5x + 4y) B. (5x + 4y)2 C. (5x - 4y)2 D. (25x + y)(x + 16y)
Mathematics