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Duplicate of Intro to Quadratics Review Flashcards | StudBud
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Duplicate of Intro to Quadratics Review
Find the vertex y = -x2+ 10x - 21
Find the vertex y = x2+10x+26
Duplicate of Intro to Quadratics Review
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Algebra I - quadratic basics
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Questions
11
Answers
1
Find the vertex y = x
2
+10x+26
(5,101)
(-5,1)
(5,1)
2
Find the vertex y = -x
2
+ 10x - 21
(-5,0)
(5,4)
(-5,-4)
(5,-4)
3
Use the quadratic formula to find the solutions (x-intercepts) of y = x
2
- 9x + 22
No solutions
(-16, 0)
(-4,0)
(0, -4)
4
Use the quadratic formula to find the zeros of y = -2x
2
+8x
2 solutions
(2, 8)
(0, 0) and (4, 0)
x = 2
5
Find the y-intercept of y = x
2
- 9x + 22
(0, 22)
(0,0)
(1, 1)
(22, 0)
6
How does y = (x - 3)
2
move?
Right 3
Down 3
Up 3
Left 3
7
Find the equation of the axis of symmetry for y = x
2
+ 10x + 26
x = 5
x = 0
x = 10
x = -5
8
Use the discriminate to determine the number of solutions for y = x
2
- 8x + 10
(1, 0)
No Solutions
One Solution
Two Solutions
9
Find the Axis of Symmetry y = -x
2
+1
y = 1
(-1, 0) and (1, 0)
(1, 0)
x = 0
10
How does y = -x
2
- 8 move?
Down 8
Left 8
Down 8 and upside down
Up 8 and upside down
11
Use the Discriminate to determine the number of solutions for y = 3x
2
- 5
1 Solution
Zero
No Solution
2 Solutions
