Solve the system by substitution. If the system is inconsistent or dependent, say so.y = -3x-3x + y = -6
A. (-1, 3)
B. (1, 6)
C. (-1, -3)
D. (1, -3)
Answer: D
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Determine the inequality which matches the calculator graph. Do not use your calculator. Instead, use your knowledge of the concepts involved in graphing inequalities.
A. y ? 2x - 3 B. y ? -2x - 3 C. y ? 2x - 3 D. y ? -2x - 3
Find ? if ? is between 0° and 90°. Round your answer to the nearest tenth of a degree. ? sin ?? = 0.6438 ?
A. ?= 42.2° B. ? = 41.4° C. ? = 40.1° D. ? = 40.0° E. ? = 41.6°
For the given parabola, give the coordinates of the vertex, the axis, the domain, and the range.y = (x + 1)2 + 8
A. vertex: (-1, 8); axis: x = -1; domain: (-?, ?); range: [8, ?) B. vertex: (1, 8); axis: x = 1; domain: (-?, ?); range: [8, ?) C. vertex: (1, -8); axis: x = 1; domain: (-?, ?); range: [-8, ?) D. vertex: (-1, -8); axis: x = -1; domain: (-?, ?); range: [-8, ?)
Fill in the digits for the given place values in the following whole number.4,664,214millions: thousands:
A. Millions: 4, thousands: 6 B. Millions: 2, thousands: 1 C. Millions: 6, thousands: 4 D. Millions: 4, thousands: 4