Question

Math help please? I really need it, Thank you all!

Answer 1

Question 5 (Multiple Choice Worth 4 points)

[9.02] What are the x-intercept(s) of the graph of y − 8 = x2 − 6x?

(−2, 0) and (4, 0)

(2, 0) and (−4, 0)

(2, 0) and (4, 0)

(−2, 0) and (−4, 0)

Question 6 (Multiple Choice Worth 4 points)

[9.05] Solve 2x2 + 3x + 6 = 0. Round solutions to the nearest hundredth.

x ≈ −2.64 and x ≈ 1.14

x ≈ −1.14 and x ≈ 2.64

No real solutions

x ≈ −1.11 and x ≈ −4.89

Question 7 (Multiple Choice Worth 3 points)

[9.05] How many and of what type are the solutions of a quadratic equation when the value of the radicand is 17?

No real solutions

Two identical rational solutions

Two different rational solutions

Two irrational solutions

Question 8 (Multiple Choice Worth 3 points)

[9.05] How many and of what type are the solutions to x2 + 7x + 10 = 0?

No real solutions

Two identical rational solutions

Two different rational solutions

Two irrational solutions

Question 9 (Multiple Choice Worth 4 points)

[9.06] Using graphing technology, approximate the solutions of 0.72x2 − 0.18x − 6.3 = 0.

x ≈ −2.72 and x ≈ 3.56

x ≈ −2.54 and x ≈ 3.24

x ≈ −2.84 and x ≈ 3.09

x ≈ −2.61 and x ≈ 3.34

Question 10 (Multiple Choice Worth 4 points)

[9.05] What are the approximate solutions of 3x2 − 3x = 1 rounded to the nearest hundredth?

x ≈ −0.79 and x ≈ 3.79

x ≈ −0.26 and x ≈ 1.26

x ≈ −1.26 and x ≈ 0.26

No real solutions

Question 11 (Multiple Choice Worth 3 points)

[9.01] What is the value of the coefficient "b" when the quadratic equation y = (2x + 1)(4x − 3) is written in standard form?

−2

−3

5

10

Question 12 (Multiple Choice Worth 3 points)

[9.01] Which equation is a quadratic equation?

y + 3 = −2x + 5 − 8x

y + 2x = −2x(4 − 3x) + 4

6x3 + y = (2x − 2)(3x + 7)

9x − y = (3x2 + 1)(5x − 1) + 4x

Question 13 (Multiple Choice Worth 4 points)

[9.01] The graph of which quadratic equation is shown below?



y = x2 − 2x − 3

y = x2 + 2x − 3

y = −x2 + 2x − 3

y = −x2 − 2x − 3

Question 14 (Multiple Choice Worth 4 points)

[9.06] A firecracker shoots up from a hill 155 feet high with an initial speed of 100 feet per second. Using the formula H(t) = −16t2 + vt + s, determine how long it will take the firecracker to hit the ground.

7.5 seconds

7.9 seconds

7.1 seconds

7.8 seconds

Question 15 (Multiple Choice Worth 4 points)

[9.01] Identify the vertex for the graph of y = −2x2 − 12x + 5.

(3, −13)

(−3, −13)

(−3, 23)

(3, 23)

Question 16 (Multiple Choice Worth 3 points)

[9.05] Identify the graph of a quadratic equation with two different rational solutions.









Question 17 (Multiple Choice Worth 4 points)

[9.02] Identify the solutions of 3x2 − 13x + 4 = 0.

x = −, x = −4

x = , x = 4

x = −, x = −1

x = , x = 1

Question 18 (Multiple Choice Worth 4 points)

[9.01] Determine whether the graph of y = x2 − 6x + 3 has a maximum or minimum point, then find the maximum or minimum value.

Minimum; (-6, 3)

Maximum; (-6, 3)

Minimum; (3, -6)

Maximum; (3, -6)

Question 19 (Multiple Choice Worth 3 points)

[9.06] Tabitha wants to hang a painting in a gallery but the painting and frame must have an area of 58 square feet. The painting is 7 feet wide by 8 feet long. The frame must have an equal width of x on each side. Which quadratic equation represents the area of the painting and frame combined?



x2 + 15x − 2 = 0

x2 + 15x + 58 = 0

4x2 + 30x − 2 = 0

4x2 + 30x + 58 = 0

Question 20 (Multiple Choice Worth 3 points)

[9.06] Using graphing technology, approximate where the graph of y = 5x2 − 3x − 9 crosses the x-axis.

(1.55, 0) and (−1.15, 0)

(1.23, 0) and (−1.26, 0)

(1.32, 0) and (−1.01, 0)

(1.68, 0) and (−1.08, 0)

Question 21 (Fill-In-The-Blank Worth 5 points)

[9.06] Fill in the missing term so that the quadratic equation has a graph that opens up, with a vertex of
(– 2, – 16), and x intercepts at x = -6 and x = 2. (Do not include the negative sign in your answer.)

y = x2 + 4x − ___

Numerical Answers Expected!

Answer for Blank 1:
Question 22 (Multiple Choice Worth 4 points)

[9.02] Where does the graph of y = 2x2 + 5x − 3 cross the x-axis?

(−, 0) and (3, 0)

(, 0) and (−3, 0)

(, 0) and (−1, 0)

(−, 0) and (1, 0)

Question 23 (Multiple Choice Worth 4 points)

[9.05] What are the exact solutions of x2 + 7x + 3 = 0?

x =

x =

x =

x =

Question 24 (Essay Worth 8 points)

[9.01] and [9.02] For y = x2 + 6x − 16,

Determine if the parabola opens up or down.
State if the vertex will be a maximum or minimum.
Find the vertex.
Find the x-intercepts.
Describe the graph of the equation.
Show all work and use complete sentences to receive full credit.



Question 25 (Essay Worth 8 points)

[9.05] Part 1: Create your own quadratic equation that cannot be solved by factoring, but can be solved using the quadratic formula. Identify the values of a, b, and c, and find the solutions using the quadratic formula. Show all work to receive credit.

Part 2: Using complete sentences, explain how you know that the equation from Part 1 cannot be solved by factoring, but can be solved by using the quadratic formula.

Answer 2

Don't worry about the graph ones, But help is greatly appreciated!

Answer 3

is this Alg. 2?

Answer 4

So basically your entire homework?

Answer 5

It is algebra one, a pretest to show what I know, I'm new to my class so I'd like to impress my teacher by knowing this. Would you mind helping me through them? :-)

Answer 6

Then she will skip the lessons.

Answer 7

Or he. And you won't know them.

Answer 8

What teacher?

Answer 9

It's at my middle school, we have a class of 22 people

Answer 10

I know, what teacher?

Answer 11

Mr. Slack? For Algebra One

Answer 12

Oh, FLVS?

Answer 13

Yeah! :-) I need some help though... Math isn't my thing.

Answer 14

lol, I had Mrs. Larkan.

Answer 15

Oh, same course?

Answer 16

No, I'm in Alg. 2.
8th grade though.

Answer 17

Oh, Do you have to take the EOC in school? That's how mine is, and I'm really worried about it.

Answer 18

Proving that you know material that you don't know won't help you in neither the long nor the short run.

Answer 19

Actually, I'm finishing Alg. 2, I'm in opre-calc.

Answer 20

pre*

Answer 21

@malical I wanted to know how to do it so that I could get a head start.

Answer 22

It's easy, I guessed on most of the questions on the EOC and still got a 90.

Answer 23

lol

Answer 24

I GTG!

Answer 25

@LordVictorius That's what I'm moving on to next lol and ok bye :)

Answer 26

I hope it's easy though! :)