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3 years ago

Please help me with this question

Mathematics

1 answer:

belka [17]3 years ago

4 0

Answer:

-0.5 & 0.5

Step-by-step explanation:

Gradient is m in y=mx+c

3x+6y = 12

6y = -3x+12

y = -0.5x+2 gradient is -0.5

4y = 2x+3

y = 0.5x+0.75 gradient is 0.5

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Answer:

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Step-by-step explanation:

The general form of a quadratic polynomial is given by:

$ax^2+bx+c$ (1)

You have the following polynomial:

$3x^2-10x+8$ (2)

In order to complete the factorization you can use the quadratic formula, to obtain the roost of the polynomial. The quadratic formula is given by:

$x_{1,2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$ (3)

By comparing the equation (1) with the equation (2) you obtain:

a = 3

b = -10

c = 8

Then, you replace these values in the equation (3):

$x_{1,2}=\frac{-(-10)\pm \sqrt{(-10)^2-4(3)(8)}}{2(3)}\\\\x_{1,2}=\frac{10\pm2}{6}\\\\x_1=2\\\\x_2=\frac{4}{3}$

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3 years ago