Ch 4_1-4_4 Study word_1_

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```					Ch 4.1-4.4Study Guide                                               Graph.
Graph.                                                  5
y
10
1
y
10

–10                      10        x

–10                                 10    x

–10

6 Graph the parabola:
y
10
–10

2 Graph the quadratic function. Label the vertex and axis
of symmetry.
y                                                             x
–10                      10
10

–10

x
7 Graph the function. Label the vertex, axis of symmetry,
–10                                 10
and x-intercepts.
y
10

–10

3 Find the vertex and the axis of symmetry of the
–10                           10       x
parabola.

4 Sketch the graph of the equation.
–10

y
10
Write in standard form and graph.
8
y
10

–10                                    10       x

–10                      10        x

–10

–10
9.                                                                 15

y
10

16     Find the x-intercepts of the graph of
y=                .

–10                             10   x

Factor the expression.
17
–10

18
Factor the expression.
10

19

11 Write as the product of two factors:                             20

Solve.
21
12 What are the solutions of the equation?

22

Factor completely.
13 What are the solutions of the equation?                          23

24        Solve using factoring:

14       The height of a triangle is 5 feet longer than the
base. The area of the triangle is 64 square feet. Find the
height and base of the triangle.                              Find the zeros of the function if y is a function of x.

25

Find the zeros of the function.
Ch 4.1-4.4
1 ANS: D             PTS: 1               DIF: 2               STA: MA.912.A.2.6 | MA.912.A.7.1
TOP: Lesson 4.1 Graph Quadratic Functions in Standard Form   KEY: quadratic | graph
MSC: Knowledge NOT: 978-0-547-22202-8
2 ANS:
y
10

–10                            10   x

–10

3
axis of symmetry: x =
2
3 17
vertex: ( ,   )
2 4

PTS: 1                 DIF: 2               STA: MA.912.A.2.6 | MA.912.A.7.1 | MA.912.A.7.6
TOP: Lesson 4.1 Graph Quadratic Functions in Standard Form
KEY: graph | parabola | vertex | axis of symmetry | quadratic MSC: Knowledge
NOT: 978-0-547-22202-8
3 ANS:
Vertex: (2, 4); Axis: x = 2

PTS: 1             DIF: 2               STA: MA.912.A.7.6
TOP: Lesson 4.1 Graph Quadratic Functions in Standard Form KEY: parabola | vertex | axis of symmetry
MSC: Knowledge NOT: 978-0-547-22202-8
4 ANS:

PTS: 1             DIF: 2               STA: MA.912.A.2.6 | MA.912.A.7.1
TOP: Lesson 4.1 Graph Quadratic Functions in Standard Form KEY: graph | parabola
MSC:     Knowledge NOT: 978-0-547-22202-8
5 ANS:     B               PTS: 1             DIF: 2                STA: MA.912.A.2.6 | MA.912.A.7.1
TOP:     Lesson 4.2 Graph Quadratic Functions in Vertex or Intercept Form
KEY:     graph | vertex form                MSC: Knowledge NOT: 978-0-547-22202-8
6 ANS:

PTS: 1                 DIF: 2                 STA: MA.912.A.2.6 | MA.912.A.7.1
TOP: Lesson 4.2 Graph Quadratic Functions in Vertex or Intercept Form
KEY: graph | vertex form                      MSC: Knowledge NOT: 978-0-547-22202-8
7   ANS: A                 PTS: 1                 DIF: 2
STA: MA.912.A.2.6 | MA.912.A.7.1 | MA.912.A.7.6
TOP: Lesson 4.2 Graph Quadratic Functions in Vertex or Intercept Form
KEY: parabola | quadratic | function | intercept                 MSC: Knowledge
NOT: 978-0-547-22202-8
8   ANS: G                 PTS: 1                 DIF: 2             STA: MA.912.A.2.6 | MA.912.A.7.1
TOP: Lesson 4.2 Graph Quadratic Functions in Vertex or Intercept Form
KEY: graph | factored form | quadratic | function                MSC: Knowledge
NOT: 978-0-547-22202-8
9   ANS: A                 PTS: 1                 DIF: 2             STA: MA.912.A.2.6 | MA.912.A.7.1
TOP: Lesson 4.2 Graph Quadratic Functions in Vertex or Intercept Form
KEY: graph | parabola | quadratic             MSC: Knowledge NOT: 978-0-547-22202-8
10   ANS: G                 PTS: 1                 DIF: 2             STA: MA.912.A.4.3 | MA.912.A.7.2
TOP: Lesson 4.3 Solve x^2 + bx + c = 0 by Factoring              KEY: factor | quadratic | trinomial
MSC: Knowledge NOT: 978-0-547-22202-8
11   ANS: A                 PTS: 1                 DIF: 2             STA: MA.912.A.4.3
TOP: Lesson 4.3 Solve x^2 + bx + c = 0 by Factoring              KEY: factor | quadratic | trinomial
MSC: Knowledge NOT: 978-0-547-22202-8
12   ANS: G                 PTS: 1                 DIF: 2             STA: MA.912.A.7.2 | MA.912.A.4.3
TOP: Lesson 4.3 Solve x^2 + bx + c = 0 by Factoring
KEY: factor | zeros | solve | equation | quadratic | x-intercept MSC: Knowledge
NOT: 978-0-547-22202-8
13   ANS: C                 PTS: 1                 DIF: 2             STA: MA.912.A.7.2 | MA.912.A.4.3
TOP: Lesson 4.3 Solve x^2 + bx + c = 0 by Factoring              KEY: solve | equation | quadratic | factor
MSC: Knowledge NOT: 978-0-547-22202-8
14   ANS:
Base: 8 ft; Height: 11 ft

PTS: 1               DIF: 2                    TOP: Lesson 4.3 Solve x^2 + bx + c = 0 by Factoring
KEY: triangle | trinomial | factor | base | height                MSC: Application
NOT: 978-0-547-22202-8
15 ANS:
–8, –4

PTS:     1               DIF: 2                  STA: MA.912.A.4.3 | MA.912.A.7.2
TOP:     Lesson 4.3 Solve x^2 + bx + c = 0 by Factoring           KEY: solve | quadratic | factor
MSC:     Knowledge NOT: 978-0-547-22202-8
16   ANS:     H               PTS: 1                  DIF: 2           STA: MA.912.A.7.6
TOP:     Lesson 4.3 Solve x^2 + bx + c = 0 by Factoring           KEY: quadratic | x-intercepts | factor
MSC:     Knowledge NOT: 978-0-547-22202-8
17   ANS:     C               PTS: 1                  DIF: 1           STA: MA.912.A.4.3 | MA.912.A.7.2
TOP:     Lesson 4.4 Solve ax^2 + bx + c = 0 by Factoring          KEY: factor | quadratic | trinomial
MSC:     Knowledge NOT: 978-0-547-22202-8
18   ANS:     I               PTS: 1                  DIF: 2           STA: MA.912.A.4.3 | MA.912.A.7.2
TOP:     Lesson 4.4 Solve ax^2 + bx + c = 0 by Factoring
KEY:     trinomial | factor | difference of two squares           MSC: Knowledge
NOT:     978-0-547-22202-8
19   ANS:

PTS: 1             DIF: 2                STA: MA.912.A.4.3
TOP: Lesson 4.4 Solve ax^2 + bx + c = 0 by Factoring       KEY:            trinomial | factor
MSC: Knowledge NOT: 978-0-547-22202-8
20 ANS: G             PTS: 1                DIF: 2            STA:            MA.912.A.4.3
TOP: Lesson 4.4 Solve ax^2 + bx + c = 0 by Factoring       KEY:            factor | difference of squares
MSC: Knowledge NOT: 978-0-547-22202-8
21 ANS: A             PTS: 1                DIF: 2            STA:            MA.912.A.7.2
TOP: Lesson 4.4 Solve ax^2 + bx + c = 0 by Factoring       KEY:            factor | solve | quadratic
MSC: Knowledge NOT: 978-0-547-22202-8
22 ANS:
1 8
 ,
3 5

PTS:       1             DIF: 2                STA: MA.912.A.7.2
TOP:       Lesson 4.4 Solve ax^2 + bx + c = 0 by Factoring       KEY: factor | solve | quadratic | trinomial
MSC:       Knowledge NOT: 978-0-547-22202-8
23 ANS:       C             PTS: 1                DIF: 2            STA: MA.912.A.4.3
TOP:       Lesson 4.4 Solve ax^2 + bx + c = 0 by Factoring       KEY: polynomial | factor
MSC:       Knowledge NOT: 978-0-547-22202-8
24 ANS:

PTS:       1             DIF: 2                STA: MA.912.A.4.3 | MA.912.A.7.2
TOP:       Lesson 4.4 Solve ax^2 + bx + c = 0 by Factoring       KEY: factor | quadratic | solve
MSC:       Knowledge NOT: 978-0-547-22202-8
25 ANS:       A             PTS: 1                DIF: 3
TOP:       Lesson 4.4 Solve ax^2 + bx + c = 0 by Factoring       KEY: factor | rational | root | quadratic
MSC:       Knowledge NOT: 978-0-547-22202-8

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