3 years ago

Find the equation in standard form if the solutions are x={3,-7}

Mathematics

1 answer:

Sever21 [200]3 years ago

8 0

Answer:

x = -4

Step-by-step explanation:

x = 3 - 7

x = - (7 - 3)

x = -4

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please help im having such a hard time :( does this equation have no solution one solution or infinite solutions

WINSTONCH [101]

One solution!

Step-by-step explanation:

If we make a graph of the given equations, the lines will intersect at a point. We know that whenever lines intersect, it means the equations have one solution or a unique solution.

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3 years ago

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Find the x-intercepts for the parabola defined by the equation below. y = x2 + 9x + 14

faltersainse [42]

Answer:

x - intercepts are (-7,0) and (-2,0)

A is the correct option.

Step-by-step explanation:

We have been given the equation of the parabola $y=x^2+9x+14$

For x- intercept, y = 0

$0=x^2+9x+14$

We can split the middle term as 9x = 7x +2x

$x^2+7x+2x+14=0$

Now take GCF

$x(x+7)+2(x+7)=0$

Factored out the common term

$(x+7)(x+2)=0$

Apply the zero product property

$(x+7)=0,(x+2)=0$

Solve for x

$x=-7,-2$

Hence, x - intercepts are (-7,0) and (-2,0)

A is the correct option.

4 0

4 years ago

Which equation shows the quadratic formula used correctly to solve 7x2 = 9 + x for x?

abruzzese [7]

The equation should be 7x^2 -x-9=0

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3 years ago

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1+1=?<br> Sana Naman yung tamang sagot lang

Naily [24]

Answer:

Step-by-step explanation:

1+ 1 = 2

Hope this helps

plz mark as brainliest!!!!!!!

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3 years ago

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A lilac Bush is 2m tall.A rose Bush is 165cm tall.The lilac bush is how many centimeters taller than the rose bush?

torisob [31]

Answer:

35 cm

Step-by-step explanation:

2m = 200cm

200cm-165cm=35cm

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