Identify the equation without completing the square.2y2 - 4x + 3y = 0
A. parabola
B. hyperbola
C. ellipse
D. not a conic
Answer: A
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Part of $9,000 is invested at 11%, another part at 13%, and the remainder at 15% yearly interest. The total yearly income from the three investments is $1,210. The sum of the amounts invested at 11% and 13% equals the amount invested at 15%. Determine how much is invested at each rate, if 2,500 is invested at first rate.
A. $2,500 at 11%, $2,000 at 13%, and $4,500 at 15% B. $3,000 at 11%, $1,000 at 13%, and $4,000 at 15% C. $3,500 at 11%, $1,000 at 13%, and $4,500 at 15% D. $3,000 at 11%, $2,000 at 13%, and $4,000 at 15% E. $2,000 at 11%, $3,000 at 13%, and $3,500 at 15%
Write a set representing the statement.The integers between -6 and 0
A. {-6 ,-5, -4, -2, -1, 0} B. {-5, -4, -3, -2, -1} C. { -3, -2, -1, 0} D. {-6 ,-5, -4, -3, -2, -1, 0}
Use the distributive property to rewrite the expression. Do not find the product.12(11 - 4)
A. 12 ? 11 + 4 B. 12 ? 11 ? 4 C. 12 ? 11 - 12 ? 4 D. 12 - 11 + 4
Use the graph and formula for f(x) to find the average rates of change of f from -4 to -1 and from 1 to 4.y = -0.4x2 + 3
A. -2; -2 B. 2; -2 C. -2; 2 D. 2; 2