Write an equation for the parabola.
points: (3, -2), (7, -4)
A. (x + 2)2 = 8(y - 3)
B. (y - 3)2 = -8(x + 2)
C. (x - 2)2 = -8(y + 3)
D. (x - 3)2 = -8(y + 2)
Answer: D
You might also like to view...
Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs $4 per foot for two opposite sides, and $2 per foot for the other two sides. Find the dimensions of the field of area 800 ft2 that would be the cheapest to enclose.
A. 56.6 ft @ $4 by 14.1 ft @ $2 B. 20 ft @ $4 by 40 ft @ $2 C. 40 ft @ $4 by 20 ft @ $2 D. 14.1 ft @ $4 by 56.6 ft @ $2
List the simple statements contained in the quotation and assign each one a letter. Then rewrite the compound statement in symbolic form."If the air is mellow and the sky is clear, then birds nest quietly and the night is at peace." (Unattributed)
What will be an ideal response?
Solve the problem.P(x) = -x3 + x2 - 60x + 100, x ? 5 is an approximation to the total profit (in thousands of dollars) from the sale of x hundred thousand tires. Find the number of hundred thousands of tires that must be sold to maximize profit.
A. 4.5 hundred thousand B. 5 hundred thousand C. 4 hundred thousand D. 5.5 hundred thousand
Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A.
B.
C.
D.