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Alg Ch 5 Review: Line Equations Flashcards | StudBud
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Alg Ch 5 Review: Line Equations
Alg Ch 5 Review: Line Equations
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Answers
1
Which of these usually depreciates in value?
Stocks and bonds
Antiques
My wife
Computers
2
Put y = 3x - 1 in STANDARD FORM
-3x + y = 1
-3x + y = -1
3x - 1 = y
3x - y = -1
3
What is the equation of the line through (1, 5) perpendicular to y = (1/3)x+7 :
y-1 = -3(x-5)
y-5 = (1/3)(x-1)
y-5 = (-1/3)(x-1)
y-5 = -3(x-1)
4
What is the equation of line through the origin parallel to y=2x+5
y=2x
y=5
y=5x+2
y=5x
5
What was my 9 hole score when I golfed with Mr. D and Mr. Smy at Deertrack?
50
41
40
85
6
What is the equation of the x axis?
y = 0
x = 0
y = b
y = x
7
Are the following lines parallel, perpendicular, or neither? y=6x+4, y=-6x+7
Both (just kidding)
Parallel
Neither
Perpendicular
8
A waiter gets $25 for the day and 5 dollars/hr in tips. The equation could be
y = 5 + 25
y = 30
y = 5x + 25
y = 25x + 5
9
What is the eighth prime number?
15
13
17
19
10
What is the slope of any line parallel to y - 5 = 8(x - 1)?
1/8
8
-1/8
-8
11
All of these are synonyms for ROOT except
solution
origin
x-intercept
y=0
12
What is the slope of any line perpendicular to y-4 = (1/2)(x+2) ?
1/2
-2
2
-1/2
13
Write the equation of the horizontal line through (3, 5)
y=3
x=3
x=5
y=5
14
According to the Police, how should you study for a math test?
Don't put on the red light
Message in a math book
Every little line she knows is magic
Do, do, do
15
Which of these would have positive correlation?
time and wages
SAT score and height
golf score and talent
speed and time
16
To put (1/3)x + (2/5)y = 12 into standard form, multiply the equation by
15
5
3
12
17
What is the slope of any line parallel to x + y = 9?
1
-1
9
-9
18
What is the slope of any line perpendicular to y = 5?
-5
Undefined
0
-1/5
19
What is the general equation of a vertical line?
x=0
x=a
y=x
y=b
20
Write the equation of the line with y-intercept 2 and x-intercept 2. (Graph!)
y = -2x + 2
y = 2x+2
y = -x+2
y = x+2
21
Write 5.1x + 7.2y = 3 in standard form:
51x + 72y = 300
5.1x + 7.2y = 3
51x + 72 y = 3
51x + 72y = 30
22
According to Mr. B, what is the key line equation for Algebra 2 that helps to find inverses?
y=b
y=2x
x=0
y=x
