Algebra Topic 8
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Barbara White
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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The graph of f(x)=ax² opens downward and is wider than the graph of f(x)=x². Which of the following could be the value of a?
-10
-0.1
0.1
10
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the average rate of change of f(x)=2x²-x-4 over the interval -4≤x≤2
-8
-5
1
5
Tags
CCSS.8.F.B.4
CCSS.HSF.IF.B.6
3.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Which statements about the graphs of g(x)=-5x² and f(x)=x² are true? Select all that apply.
g is wider than f
f and g open in the same direction
f and g have the same vertex
f and g have the same axis of symmetry
4.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Over what interval is the function increasing?
5.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
What is the vertex of the graph of function f(x)=2(x-4)²-1?
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the axis of symmetry of the function y=-3(x-2)²+1
x=-3
x=-2
x=1
x=2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following functions has a graph with a vertex that is translated 3 units horizontally to the left of the vertex of the graph of f(x)=(x+1)²-4?
g(x)=(x+1)²+4
g(x)=-(x+3)²+3
g(x)=2(x+4)²-4
g(x)=(x-2)²-4
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