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1 year ago

Solve the following equations:a) (x-3)(-2x+1)= 0.b) (x+7)(2-4x)=0.

Mathematics

1 answer:

seraphim [82]1 year ago

4 0

Answer:

hope it's help you sorry for dirty handwriting

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Write the equation of a line Parallel to the given line and passes through points (-4, -3); (2, 3). Hints find the slope by usin

julia-pushkina [17]

First, we obtain the gradient (slope) of the first parallel line

$\text{gradient, m}_1\text{ = }\frac{y_2-y_1}{x_2-x_1}\text{ = }\frac{3-(-3)}{2-(-4)}=\frac{6}{6}\text{ = 1}$

Recall that since both lines are parallel, we have that,

$m_1=m_2$

Thus

$m_2\text{ = 1}$

Hence, we can find the equation of the parallel line given that it passes through the points (-4, -3)

Using

$\begin{gathered} y\text{ = mx + c} \\ \text{where m = m}_2\text{ = 1} \\ \text{and x = -4 , y = -3, we have} \\ -3\text{ = 1(-4) + c} \\ -3\text{ = -4 + c} \\ 4\text{ - 3 = c} \\ c\text{ = 1} \\ \text{Thus, the equation of the line is y = (1)x + 1} \\ y\text{ = x + 1} \end{gathered}$

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8 months ago

PR = 9x - 31 and QR = 43; find x

lesya692 [45]

PR=9(43)-31

PR=387-31

PR=356

I think that's the answer :)

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3 years ago

Solve the following equations:a) (x-3)(-2x+1)= 0.b) (x+7)(2-4x)=0.​

Solve the following equations:a) (x-3)(-2x+1)= 0.b) (x+7)(2-4x)=0.