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Lady_Fox [76]
4 years ago
13

Amber is trying to solve 3x^2-4x=0 using a graphical method. She therefore starts by drawing the graph of y=3x^2 on a grid she n

ow intends to complete her method by drawing a straight line graph in the same grid. complete Ambrrs method to solve 3x^2-4x=0
Mathematics
2 answers:
Delvig [45]4 years ago
6 0
Draw a graph of y=4x, and the x-coordinates of the points of intersection, if I’m not mistaken, are the answers.
AVprozaik [17]4 years ago
5 0

You can rewrite the equation as

3x^2-4x=0 \iff 3x^2=4x

So, you draw the graph of y=3x^2 (the parabola), and then the graph of y=4x (the line), and see where they intersect.

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on the coordinate grid ,the point (3,3) undergoes a translation 2 over 4 explain what this mean and give the coordinate of it's
attashe74 [19]
Okay so i may be wrong but i think that the new coordinates would be (7,5). I’m assuming that the translation is up 2 and 4 to the right so you just follow the rules for translations. (a) being the amount of spaces you’re moving for x and (b) being the amount of spaces you’re moving for y

Translation a units to the right (x,y) ➡️ (x+a, y)

Translation a units to the left (x,y) ➡️ (x-a,y)

Translation b units up (x,y) ➡️ (x,y+b)

Translation b units down (x,y) ➡️ (x,y-b)


i’m not the smartest person ever but hopefully this helps. good luck!!
5 0
3 years ago
Simply the expression <br> (15a^2y^-3)^4(5ay^-2)^-5
ankoles [38]

Answer:

81a3/5y2

Step-by-step explanation:

7 0
4 years ago
Plz help quick! I’m being timed
Kisachek [45]

Answer:

14 cents per oz

Step-by-step explanation:

399/28.5=14

Hope this helps!

6 0
4 years ago
How do you graph an equation using x and y intercepts.
Citrus2011 [14]

Answer:

I'm going to use the following as an example.

2x + 4y = 8

To find the y-intercept, set x equal to 0 then solve for y.

2(0) + 4y = 8

two times zero is zero, so we have the following equation.

4y = 8

Solve for y

\frac{4y}{4}  =  \frac{8}{4}  \\ y = 2

Your first point you will graph is (0, 2).

Now solve for the x intercept. To do this, set y = 0.

2x + 4(0) = 8

4(0) = 0, so you can remove it, and solve for x.

2x = 8

\frac{2x}{2}  =  \frac{8}{2}  \\ x = 4

Now the next point you have is (4, 0). plot that point. Connect the two points with a line and you are done.

5 0
3 years ago
Hello! I’m really struggling with this, any help is appreciated (:
iragen [17]

Hi, It's the 3rd option

Thanks, It was little hard to find the answer. I am not totally sure about it but as far as I understand this question. the third option is correct.

:)

5 0
3 years ago
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