Find the coordinates of the vertex of the parabola.y = 3x2 + 12x + 13

A. (2, -1)
B. (-1, 2)
C. (-2, 1)
D. (1, -2)


Answer: C

Mathematics

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Graph the linear equation.y = x + 4

A.

B.

C.

D.

Mathematics

Write the number in words.22,000,674

A. Twenty-two million, six thousand seventy-four B. Twenty-two million, six hundred seventy-four C. Two million, two thousand, six hundred seventy-four D. Twenty-two hundred million, six hundred seventy-four

Mathematics

Perform the indicated operations.(12x2y - 8xy + 4) + (-11x2y + 3xy - 9)

A. 23x2y + 11xy + 13 B. x2y - 5xy - 5 C. -x2y - 11xy + 13 D. -5x3y2 - 5

Mathematics

Solve the problem.A carpenter makes a door frame whose outside dimensions are 62 inches tall by 52 inches wide. To make sure that the door is still in the shape of a rectangle he measures both the diagonals using the inside corners. If each piece of wood is 2 inches thick, how long should the inside diagonals be to the nearest tenth of an inch? Hint: The frame has no bottom on it.

A. 6548 inches B. 36 inches C. 114 inches D. 76.8 inches

Mathematics