AnswersFL-1200330-Algebra 2 Sem 1 - FlexThe Quadratic Formula

The Quadratic Formula Answers

16 verified answers1 views
1
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Given y = (2x + 3)2, choose the standard form of the given quadratic equation.

A
0 = 25x2
B
0 = 4x2 + 9
C
0 = 4x2 + 10x + 6
D
0 = 4x2 + 12x + 9
2
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There is one real solution if the radicand is

A
negative.
B
positive.
C
zero.
3

There are no real solutions if the radicand is

A
negative.
B
positive.
C
zero.
4

Identify the values of a, b, and c. a = b = c =

Answer:

9

5

Study the solutions of the three equations on the right. Then, complete the statements below.There are two real solutions if the radicand is

A
negative.
B
positive.
C
zero.
6

32x - 4 = 4x2 + 60For the equation shown, choose the description of the solutions.

A
One real, rational
B
Two real, rational
C
Two real, irrational
D
Two complex
7

Given y = (2x + 3)2, choose the standard form of the given quadratic equation.

A
0 = 25x2
B
0 = 4x2 + 9
C
0 = 4x2 + 10x + 6
D
0 = 4x2 + 12x + 9
8

Select the equation that shows the correct substitution of a, b, and c in the quadratic formula.

A
Option
B
Option
C
Option
9

Simplify the expression to solve the equation.x =

Answer:

-1.5

10

Study the solutions of the three equations on the right. Then, complete the statements below.There are two real solutions if the radicand is

A
negative.
B
positive.
C
zero.
11

32x - 4 = 4x2 + 60For the equation shown, choose the description of the solutions.

A
One real, rational
B
Two real, rational
C
Two real, irrational
D
Two complex
12

Identify the values of a, b, and c. a = b = c =

Answer:

4

13

There is one real solution if the radicand is

A
negative.
B
positive.
C
zero.
14

y - 5 = 0.5x2 + 6x - 3How many x-intercepts does the graph of this quadratic have?

A
Two x-intercepts
B
One x-intercept
C
No x-intercepts
15

Identify the values of a, b, and c. a = b = c =

Answer:

12

16

There are no real solutions if the radicand is

A
negative.
B
positive.
C
zero.

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The Quadratic Formula Answers…