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mote1985 [20]
4 years ago
13

Please Help Me Asap Will Give BRAINLIEST What are the solutions to the system of equations? {y = 1/4x^2 − 2 y = −1/2x} Graph the

system of equations to solve. (0, 0) and (−4, 2) (2.9, 0) and (−2.9, 0) (−4, 2) and (2, −1) (0, 0) and (0, −2)
Mathematics
1 answer:
mihalych1998 [28]4 years ago
3 0

Answer:

{y = 1/4x^2 − 2 y = −1/2x}

(0,0)

(-6,3)

Step-by-step explanation:

Rewrite as system of equations

y=-1/2x

1/4x^2-2y=-1/2x

Move expression to left and change its sign

y+1/2=0

1/4x^2-2y+1/2x=0

Multiply both sides of equation by 2

2y+x=0

1/4x^2-2y+1/2x=0

Sum the equation vertically and eliminate variable (2y)

3/2x+1/4x^2=0

Solve the equation

x=0

x=-6

Substitute the value of x into equation

y+1/2*0 = 0

y+1/2*(-6) = 0

Solve equation for y

y=0

y=3

so the solution is

(x1,y1)=(0,0)

(x2,y2)=(-6,3)

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HACTEHA [7]

Answer:This is because 183 divided by 3 is 61!

Step-by-step explanation:61:1 or 61 miles per hour! This is because 183 divided by 3 is 61!

6 0
3 years ago
4x^2+8x-12 it needs to be factored :)
Arlecino [84]

Answer:4((x+3)(x-1))

Step-by-step explanation:

Factorize the common terms

4(x^2+2x-3)

Factorize

X^2+2x-3=(x+3)(x-1)

(X+3)(x-1)

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3 0
3 years ago
What is the solution to the system of equations?
Sergio039 [100]
The value for x is already given; x = -2

Substitute -2 in for x in the second equation.

y = 2/3(-2) + 3
y = -4/3 + 3
y = 5/3 

The final answer is (-2, 5/3).


7 0
3 years ago
Janelle is asked to divide a number by 4 . For each number in the remainder column, determine whether the number is a possible r
Serjik [45]
I dont want to give answers so

0/4
1/4
2/4
3/4
4/4
5/4
after u do this if you have to get a 0 that means it is a yes
3 0
4 years ago
Read 2 more answers
What is going f(x) = 2x2+28x-5 written is vertex form?
AVprozaik [17]

f(x) = 2(x^2 + 14x +   ) - 5    2 is taken out  of first 2 terms.

f(x) = 2(x^2 + 14x + (14/2)^2 ) - 5 - 2(14/2)^2

<em><u>2 steps </u></em>

  • Inside the brackets: Linear term's coefficient (14) divided by 2 and squared
  • Outside the brackets: (14/2)^2 multiplied by 2 and subtract so that there is no change in the value of the quadratic.

f(x) = 2*(x + 7)^2 - 103

The graph is of the original quadratic.

8 0
3 years ago
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