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Kamila [148]
3 years ago
10

How do I do vertex in quadratics?How do I graph the quadratic?

Mathematics
1 answer:
nika2105 [10]3 years ago
3 0
What are you trying to figure out
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Solve the equation. Check your solutions when necessary.<br><br><br>2x² − 7x = 4
prisoha [69]

Answer:

x= -1/2 = -0.500

x=4

Step-by-step explanation:

2x^2-7x-4=0

2x^2-8x+1x-4=0

2x(x-4)+1(x-4)=0

(2x+1)(x-4)=0

2x+1=0...2x= -1.. x= -1/2         x-4=0 .. x=4

checking the solution

2(-1/2)^2-7(-1/2)=4.....  4=4

2(4)^2-7(4)=4....... 4=4

5 0
3 years ago
The coefficient of xy in the product of (4x^2+2y) and (3x+y^2) is ...
LUCKY_DIMON [66]
Here is your answer! The coefficient of xy is 6. To solve this problem, you need to multiply your two polynomials together. I used the FOIL Method- multiply the First two, the Outside two, the Inside two, and the Last two. You can see how I did it on the picture attached. Next, the answer that you get as a result from FOILing is your polynomial. If you look at the number before xy, that is the coefficient. A coefficient is a number that is right before and attached to a variable. I hope this helps you! :))

3 0
3 years ago
I need help with math explain how to do it. Thanks! :)
irakobra [83]
For part a it’s sal will leave a $20 tip for part b sals food is $78.22 including tax and tip
5 0
3 years ago
Juan will put fencing around the outside of the enclosure. How much fencing does he need for the enclosure?
adell [148]
If Juan intends to put fencing around the enclosure, that means that we are looking at the perimeter of the image (the outside). We can count the amount of lines between the dots to determine how much fencing he will need. After counting the perimeter of this figure, we see that the total is 22. We do not know what the units are, so for now we can just say that he will need 22 units of fencing to fully enclose this shape.
3 0
3 years ago
Simply the expression given below. x^2+x-2/x^3-x^2+2x-2
puteri [66]

Answer:

Step-by-step explanation:

(x-1)(x+2)/x^2(x-1)+2(x-1)

(x-1)(x+2)/(x-1)(x^2+2)

(x+2)/(x^2+2)

6 0
3 years ago
Read 2 more answers
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