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Belmont Week 1 Algebra Review Flashcards | StudBud
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Belmont Week 1 Algebra Review
Belmont Week 1 Algebra Review
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Answers
1
What is the equation of the following line?
y = -1/3x + 4
y = - 3x + 4
y = 3x - 4
y = 4x + 3
2
What direction does the parabola open?
down
right
left
up
3
Is this a function?
Yes
No
4
What test can you use to determine if a relation is a function?
The Yandle test
The vertical line test
The horizontal line test
The Justin Beiber test
5
What mountain is this?
Teocali
Red Lady
Crested Butte
Gothic
6
What is an x-intercept of this parabola?
(3, 0)
(4, 1)
(4, 0)
there are none
7
What is the vertex of this parabola?
(-2, 0)
(1, -9)
(4, 0)
(3, -5)
8
If the shot of a basketball forms a parabola, what sign would the resulting equation have?
negative
positive
no sign
can't bedetermined
9
What is the axis of symmetry for this parabola?
y = 1
y = -15
x = -3
x = 1
10
What is the range of the following points? {(1,2) (2,3) (3,4) (4,5)}
{2,3,4,5}
{6,7,8,9}
{-1,-2,-3,4}
{2,3,7,8}
11
What is another way to describe slope of a line y=mx+b?
Constant (b)
Rate of change (m)
Y-Intercept
A variable (x)
12
What is the domain of this function?
x ≤ 2
-∞ < x < ∞
x ≥ 2
-∞ < y < ∞
13
If the scale factor is negative what happens to the parabola?
The parabola curves upward
The parabola curves left to right.
The parabola curves right to left.
The parabola curves downwards
14
Which point (x,y) value is a function of y=3x-3?
(3,2)
(2,3)
(5,7)
(4,4)
15
Based on the data points shown, what type of regression of best fit would you use?
Quadratic
Linear
16
What is the slope of the line y = 6x + 3?
6
1/6
3
2
17
What is the vertex of the parabola shown?
(-2, 0)
(0, -2)
(-3, 1)
(1, -3)
18
A car can get 37 miles per gallon, how many miles(y) can you drive if you fill up the tank with 20 gallons (x)? Y=37x
830 miles
740 miles
600 miles
370 miles
19
What method would you use for this equation? x
2
-16=0
square root method
F.0.I.L.
grouping
factoring
20
Is this a function?
Yes
No
21
The star running back averages 4.8 yards per carry (x), which function is a representation of his/her stats in the game?
Y=2.4x+100
Y=4.8x
Y=(x+4.8)
Y=x+2x+3x
22
What is the slope of the line with the equation 2x+y = 4 ?
1
4
-2
2
23
What is the domain of this function?
x ≤ 1
-∞ < y < ∞
x ≥ 1
-∞ < x < ∞
24
Is this a function?
no
yes
25
The function y=2210x-2 has an increasing rate of change slope (m)?
False
True
26
What is the y-intercept of the parabola shown?
5
-2
4
1
27
What is the y-intercept for the equation 2x-2y = 8?
8
4
2
-4
28
What is the vertex?
(3, 0)
(2, -3)
(5, 0)
(4, 1)
29
Find the equation for the axis of symmetry
y=-3
x=-3
x=-1
x=-5
30
Is this a function?
yes
no
31
Is this a function?
yes
no
32
On what interval is the parabola increasing?
y < 3
x > -1
x < -1
y > 3
33
When the domain or range of a function extends infinitely it is called____.
Undefined
Forever
Infinity
All real numbers
