Download Slide 1 - crockettgeometry

Partner A Quizzes Partner B
1) If the graph of the function y = 0.4x2 - 7 is
show below:
If the graph is translated up 6 units, what
will be the new equation of the graph?
2) Which graph shows a function
A)
B)
C)
D)
y  x c
2
where c < 1?
3) Put the following functions in order
from the widest to the narrowest:
10 2
f ( x)  x
3
2
f ( x)  2 x
1 2
f ( x)  x
3
7
f ( x) 
2
How do you know which is the widest?
How do you know which is the narrowest?
4) Which equation represents the parent function of
the graph below?
F) f ( x)   x
2
G) f ( x)   x  5
2
f
(
x
)

x
H)
J) f ( x)  x  5
2
5) What is the effect on the graph of the equation y =
8x2 when the equation is changed to y = -½x2 ?
A)The graph is translated 7.5 units up
B)The graph of y = -½x2 is a reflection of y = 8x2
across the x-axis, and the shape of the graph
remains the same.
C)The graph of y = -½x2 is a reflection of y = 8x2
across the x-axis, and the shape y = -½x2 is
narrower than y = 8x2
D)The graph of y = -½x2 is a reflection of y = 8x2
across the x-axis, and the shape y = -½x2 is wider
than y = 8x2
6) What are the roots of the
quadratic equation: x2 –x –2 ?
A) -2 and -1
B) -2 and 1
C) 1 and 2
D) -1 and 2
7) Which points best represent the solutions
of the graphed quadratic equation shown
below?
y
f(x)=-(x-3)^2 +4
8
6
4
2
x
-9
-8
-7
-6
-5
-4
-3
-2
-1
1
-2
-4
-6
-8
2
3
4
5
6
7
8
9
8) What is the vertex of the
graph of y = 2(x+2)2-1 ?
Partner B Quizzes Partner A
1) If the graph of the function y = 0.4x2 - 7 is
show below:
If the graph is translated up 12 units, what
will be the new equation of the graph?
2) Which graph shows a function
A)
B)
C)
D)
y  x c
2
where c > 3?
3) Put the following functions in order
from the narrowest to the widest:
11 2
f ( x)  x
3
2
f ( x)  3x
1 2
f ( x)  x
8
3
f ( x) 
4
How do you know which is the widest?
How do you know which is the narrowest?
4) Which equation represents the parent function of
the graph below?
F) f ( x)   x
2
G) f ( x)   x
2
f
(
x
)

x
H)
J) f ( x)  x
5) What is the effect on the graph of the equation
y = 6x2 when the equation is changed to y = -5x2 ?
A)The graph is translated 1 units down
B)The graph of y = -5x2 is a reflection of y = 6x2
across the x-axis, and the shape of the graph
remains the same.
C)The graph of y = -5x2 is a reflection of y = 6x2
across the x-axis, and the shape y = -5x2 is
narrower than y = 6x2
D)The graph of y = -5x2 is a reflection of y = 6x2
across the x-axis, and the shape y = -5x2 is wider
than y = 6x2
6) What are the roots of the
quadratic equation: x2 +x –2 ?
A) -2 and -1
B) -2 and 1
C) 1 and 2
D) -1 and 2
7) Which points best represent the solutions
of the graphed quadratic equation shown
below?
y
f(x)=-(x+3)^2 +4
8
6
4
2
x
-9
-8
-7
-6
-5
-4
-3
-2
-1
1
-2
-4
-6
-8
2
3
4
5
6
7
8
9
8) What is the vertex of the
graph of y = 2(x+3)2+1 ?