Precalculus quiz using Larson 7th generation book.
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Question 16
16.
Find the slope-intercept form of the equation of the line.
(3, -1) m = -2
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Question 1
1.
Determine the quadrant(s) in which (x, y) is/are located so that the conditions are satisfied.
x > 0 and y < 0
Question 2
2.
Determine the quadrant(s) in which (x, y) is/are located so that the conditions are satisfied.
x < -2 and -y > 0
Question 3
3.
Determine the quadrant(s) in which (x, y) is/are located so that the conditions are satisfied.
xy > 0
Question 4
4.
Find the distance between the two points (-3, 4) & (4, -8).
Question 5
5.
Nike's annual profits in the year 2003 were $1.41 billion and for 2007 were 1.65 billion. Use the midpoint formula to estimate the annual profits for 2005.
Question 6
6.
Find the x and y intercepts of the graph of the equation. Show answer as "x = ___ and y = ___"
Question 7
7.
Find the x and y intercepts of the graph of the equation. Show answer as "x = ___ and y = ___"
Question 8
8.
Assume the graph has the indicated type of symmetry. Sketch the complete graph of the equation.
Question 9
9.
Assume the graph has the indicated type of symmetry. Sketch the complete graph of the equation.
Question 10
10.
Assume the graph has the indicated type of symmetry. Sketch the complete graph of the equation.
Question 11
11.
Use the algebraic test to check for symmetry with respect to both axes and the origin. SHOW ALL WORK!
Question 12
12.
Use the algebraic test to check for symmetry with respect to both axes and the origin. SHOW ALL WORK!
Question 13
13.
Write the standard form of the equation of the circle with the given characteristics:
Center: (0, 0); radius: 6
Question 14
14.
Write the standard form of the equation of the circle with the given characteristics:
Center: (2, 1); Solution point (4, -7)
(Your "r" is going to be the distance between the center and the solution point)
Question 15
15.
Find the center and radius of the circle:
Question 17
17.
Find the slope-intercept form of the equation of the line.
(-2, 6) and (5, 6)
Question 18
18.
Find a linear equation of the lines through the given point
(a) PARALLELto the given line.
Point: (6, -5) Line: 3x + y = 12
Question 19
19.
Find a linear equation of the lines through the given point
(a) PERPENDICULAR to the given line.
Point: (6, -5) Line: 3x + y = 12
Question 20
20.
Depreciation. A school district purchases a high volume printer, copier, and scanner for $20,000. After 12 years, the equipment will have to be replaced and its value at that time will be $5000. Write a linear equation giving the value of V of the equipment during the 12 years it will be in use.
Question 21
21.
The university of Delaware had enrollments of 21,238 students in 2005 and 22,520 students in 2008. Assuming the enrollment grown is linear, write a linear model that give the enrollment in terms of the year t, where t=0 corresponds to 2000. Predict how many students there will be in 2015.
