Do Now #42

Dynamics of Algebra 2
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Do
#42 #42
DoNow
Now
Date________________ Period____
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Graph each equation. (a) Identify the vertex. (b) Identify the line of symmetry. (c) Identify the "a".
1) y = x + 3 − 4
2) y = − x + 1 + 2
6
6
a: ______
Vertex: ______
LOS: ______
5
4
3
2
4
3
2
1
−6 −5 −4 −3 −2 −1 0
a: ______
Vertex: ______
LOS: ______
5
1
1
2
3
4
5
6
−6 −5 −4 −3 −2 −1 0
−2
−2
−3
−3
−4
−4
−5
−5
−6
−6
1
2
3
4
5
6
4) y =2 x − 1
3) y = − x − 4
6
6
a: ______
Vertex: ______
LOS: ______
5
4
3
2
4
3
2
1
−6 −5 −4 −3 −2 −1 0
a: ______
Vertex: ______
LOS: ______
5
1
1
2
3
4
5
6
−6 −5 −4 −3 −2 −1 0
−2
−2
−3
−3
−4
−4
−5
−5
−6
−6
1
2
3
4
5
6
Find each product.
5) (3 x + 3)(5 x − 7)
6) (7a + 8)(6a + 4)
7) (k + 5)
8) 2(−4r 2 + 2r − 5) + 3
2
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Worksheet by Kuta Software LLC
Answers to Do Now #38
1)
2)
−6
−4
3)
6
6
6
4
4
4
2
2
2
−2 0
−2
2
4
6
−6
−4
−2 0
−2
2
4
6
−6
−4
−2 0
−2
−4
−4
−4
−6
−6
−6
4)
5) 15 x 2 − 6 x − 21
2
4
6
6) 42a 2 + 76a + 32
6
4
2
−6
−4
−2 0
−2
2
4
6
−4
−6
7) k 2 + 10 x + 25
8) −8r 2 + 4r − 7
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Worksheet by Kuta Software LLC