AnswersLAUSD-Pre-Calculus B PrescriptiveUnit Test

Unit Test — Cumulative exam Answers

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Which is the graph of ?a.c.b.d.

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Which equation has a graph that is a parabola with a vertex at (–1, –1)?

A
y = (x – 1)2 + 1
B
y = (x – 1)2 – 1
C
y = (x + 1)2 + 1
D
y = (x + 1)2 – 1
15

Determine the graph of the polar equation r = .a.c.b.d.

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Identify the graph of for and write an equation of the translated or rotated graph in general form. a. parabola; c. parabola; b. ellipse; d. ellipse; Please select the best answer from the choices provided

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17

Determine e, k, and identify the type of conic for a. c. b. d. Please select the best answer from the choices provided

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18

Which is the graph of the polar equation ?a.c.b.d.

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Which is the graph of ?a.c.b.d.

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22

Which is the graph of ?a.c.b.d.

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Christian is rewriting an expression of the form y = ax2 + bx + c in the form y = a(x – h)2 + k. Which of the following must be true?

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h and k cannot both equal zero
B
k and c have the same value
C
the value of a remains the same
D
h is equal to one half –b
24

Identify the graph of for and write and equation of the translated or rotated graph in general form.a.hyperbola; c.hyperbola; b.parabola; d.parabola;

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The minimum and maximum distances from a focus to a point on an ellipse occur when that point on the ellipse is an endpoint of the major axis (a vertex).

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T
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F

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