Question

I WILL AWARD MEDALS!

Based on the graph below, what are the solutions to the equation f(x) = g(x)?

graph of function f of x equals 4 times x minus 3. Graph of function g of x equals x cubed minus x squared minus 4 times x plus 4

a. x=-2.8, 0.6, -3.7
b. x=-2, 1, 2
c. x=-2, .5, 3.5
d. x=-2, 2, 3

Answer 1

Here is the graph

Answer 2

ok i'll look at it i'll figure it out

Answer 3

okay :) thank you!

Answer 4

@texaschic101 could you help me out?

Answer 5

@AlohaKaika @pooja195

Answer 6

I keep thinking it is A? I don't know if i'm right.

Answer 7

Am I right? Is it A? @AlohaKaika

Answer 8

@sammixboo

Answer 9

I think your right :)....hold on Ive gotta re-check though.

Answer 10

Kk. <3

Answer 11

Im pretty sure that your correct....I got A as well.....

Answer 12

Okay! I was just getting a second opinion!

Answer 13

Could you help me with a few more?

Answer 14

Sure :)

Answer 15

Yay! Just give me one second.

Answer 16

Emily wants to hang a painting in a gallery. The painting and frame must have an area of 31 square feet. The painting is 5 feet wide by 6 feet long. Which quadratic equation can be used to determine the thickness of the frame, x?

Image of a frame 5 feet wide by 6 feet long, with an of x on the bottom and right sides
a. 4x^2 + 22x - 1 = 0
b. 4x^2 + 22x + 31 = 0
c. x^2 + 11x - 1 = 0
d. x^2 + 11x + 31 = 0

Is it B?

Answer 17

@AlohaKaika

Answer 18

Uhhh...haha okay hold on :)

Answer 19

Okay :)

Answer 20

Hmm okay walk me through how you got B....just briefly....

Answer 21

Well, i didn't know how to solve this problem. :/

Answer 22

Ohhh gotcha....okay hold on...

Answer 23

Okay

Answer 24

You might have to ask someone else...haha :) Im sorry....I havent had to solve anything like that for quite a while.....sorry!!!

Answer 25

its okay!

Answer 26

I just don't want to give you the wrong anwser or anything!!!! :)

Answer 27

ill figure it out! um, want to try a parabola problem i have trouble with?

Answer 28

Sure :)

Answer 29

What is the domain of the following parabola?

u-shaped graph that opens up with a vertex of (1, 0)

y ≥ 0
All real numbers
x ≥ 1
x ≤ 1

Answer 30

Stupid question marks hold on

Answer 31

y is greater than or equal to 0
All real numbers
x is greater than or equal to 1
x is less than or equal to 1

Answer 32

I was thinking it would be Choice B.

Answer 33

Im pretty sure its B! :) Nice job....

Answer 34

Am I right?

Answer 35

Okay! <3

Answer 36

One more before I go? :)

Answer 37

Yeah :)

Answer 38

The steps to derive the quadratic formula are shown below:

Step 1: ax2 + bx + c = 0
Step 2: x2 + b over ax + c over a = 0
Step 3: x2 + b over a x = - c over a
Step 4: x2 +b over a x + square of quantity of b over 2 times a = -c over a + square of quantity of b over 2 times a
Step 5: x plus b over 2 times a, all squared = -c over a + square of quantity of b over 2 times a
Step 6: x + b over 2 times a = square root of all of negative c over a plus the square of the quantity b over 2 times a
Step 7: x = - b over 2 times a ± square root of all of negative c over a plus the square of the quantity b over 4 times a = -b over 2 times a ± square root of the quantity of b squared minus 4 times a times c over 4 times a squared= negative b plus or minus square root of b squared minus 4 times a times c over 2 times a

Which of the following statements best describes the first incorrect step?

In Step 4, square of quantity of b over 2 times a instead of b over 2 times a was added on both sides.
In Step 5, x plus b over 2 times a, all squared was written instead of x plus b over 4 times a, all squared .
In Step 6, -c over a was written instead of c over a inside the root.
In Step 7, b over 4 times a, all squared was written instead of square of quantity of b over 2 times a inside the root.

Answer 39

HOLY COW!!! Haha thats alot of info.....

Answer 40

Yeah I know. :P

Answer 41

Geezee who gave you this problem? :)

Answer 42

You can thank my teacher for that! :P its a worksheet

Answer 43

I was thinking it would be A?

Answer 44

Yup your right! :) because its supposed to be B over 2 :) so A is the anwser.

Answer 45

YES! OMG THANK YOU! :D

Answer 46

Haha sure thing! :)

Answer 47

Okay, I'm gonna close this problem now! Here is a medal!

Answer 48

Thanks! If you ever need anymore help let me know! :)

Answer 49

Okay! <3