Solve the equation.51.48 = -2.2x
A. 53.68
B. -23.4
C. 23.4
D. -53.68
Answer: B
Mathematics
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Use the factor theorem and tell whether the first expression is a factor of P(x).x + 1; P(x) = x3 + 3x2 - 3x - 5.(Hint: Write x + 1 as x - (-1).)
A. yes B. no
Mathematics
Determine the amplitude and range of the given function.y = -2 sin x
A. amplitude: 2, range: [0, 2] B. amplitude: 2?, range: [-2?, 2?] C. amplitude: 2, range: [-2, 2] D. amplitude: 2?, range: [0, 2?]
Mathematics
Complete the square to write the equation in the form 
- 
= 1 or 
- 
= 1. y2 - 16x2 + 4y - 32x - 28 = 0
A. (x + 1)2 - 
= 1
B. 
- (x + 2)2 = 1
C. 
- (y + 1)2 = 1
D. 
- (x + 1)2 = 1
Mathematics
Write the first five terms of the geometric sequence.a1 = 2; r = 5
A. 2, 10, 50, 250, 1250 B. 2, 7, 12, 17, 22 C. 5, 10, 20, 40, 80 D. 10, 50, 250, 1250, 6250
Mathematics