Precalculus: Analytic Geometry and Algebra
All the questions are on the attached document
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____ 5.
What is the degree of this polynomial function? x + 2×3 + 4.
a. 0 b. 1 c. 2 d. 3
Find the real roots or zeros of this polynomial function: (x3 – x2)(x + 4).
- 0, −1, −4
- 0,1,4
- 0,1,−4
- 1, −4
Determine the direction of the graph: 2x = 5.
- increasing
- decreasing
- horizontal
- vertical
Find the x-intercepts of the function f(x) = x3 + 3×2 – x – 3.
- (–1,0),(1,0),(3,0)
- (–1,0),(1,0),(–3,0)
- (–3,0),(1,0),(3,0)
- (–3,0),(–1,0),(3,0)
Find the equation of the circle with the given information: C(−5, 1), r = 2.
a. b. c. d.
(x–5)2 +(y+1)2 =4 (x–5)2 +(y+1)2 =2 (x+5)2 +(y–1)2 =4 (x+5)2 +(y–1)2 =2
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Find the equation of the line given that it is perpendicular to x – 2y = 5 and contains point (0, 0)
- 2x–y=0
- 2x+y=0
- x–2y=0
- x+2y=0
Find the solution of this quadratic equation by factoring: x2 – 64 = 0.
- x=4,16
- x=8,−8
- x=8
- x=1,64
Write the equation of an ellipse with center (0, 0) , vertices (3, 0) and (–3, 0) , and foci (2, 0) and (–2, 0). a.
b. c. d.
Find the slope of the line passing through this pair of points: (0, −2), (4, 0).
- 2
- −2
c.
d.
Whatisthesolutionsetto(x+3)(x–2)(2x+1)≥0?
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a. b. c. d.
{ x | x ≤ −3 or ≤ x ≤ 2 } {x|x≤−3or− ≤x≤2} { x | −3 ≤ x ≤ or x ≥ 2 } {x|−3≤x≤− orx≥2}
