Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Incorrect; should be 78 R385
B. Correct
C. Incorrect; should be 83 R593
D. Incorrect; should be 78 R284
Answer: B
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Rewrite the equation in standard form. Find the center and radius of the circle.x2 + y2 + 4x - 12y + 34 = 0
A. (x + 2)2 + (y - 6)2 = 6
center (-2, 6), r =
B. (x + 2)2 + (y - 6)2 = 6
center (2, -6), r =
C. (x - 2)2 + (y + 6)2 = 6
center (2, -6), r =
D. (x + 2)2 + (y - 6)2 = 6
center (-2, 6), r = 6
Solve the problem.Let f(N) be the value (in cents) of N nickels, and let g(D) be the number of nickels worth D dollars.a. Find equations of f and g.b. Find an equation of f ? g.c. Find (f ? g)(4)
What will be an ideal response?
Solve the polynomial equation.2x5 - 2x4 - 6x3 + 6x2 - 8x + 8 = 0
A. x = 2, -2, i B. x = 1, 2, -2, ±i C. x = -1, -2, 2, ±i D. x = 1, -2
Locate the fraction on the number line.
A.
B.
C.
D.