Find the coordinates of the vertex and the direction of opening of each parabola.y = -(x + 7)2 - 9

A. (7, 9) opens downward
B. (-7, 9) opens upward
C. (-7, -9) opens downward
D. (7, -9) opens upward


Answer: C

Mathematics

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Answer the following statement(s) true (T) or false (F)

Cognition deals primarily with psychological constructs like attitudes and emotions.

Mathematics

Solve the application problem.A triangle is 5 centimeters wider than it is tall. The area is 102 square cm. Find the width (length of the base).

A. 5 cm B. 12 cm C. 18 cm D. 17 cm

Mathematics

Find the unknown value in the percent proportion  Round to the nearest tenth, if necessary.part = 95, percent = 22

A. whole = 23.2 B. whole = 43.2 C. whole = 431.8 D. whole = 215.9

Mathematics

Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation. < 4

A. (-?, -2) or (4, ?)

B. (-2, 4)

C. ?

D. (-?, 4) or (2, ?)

Mathematics