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Mathematics 20 Online
OpenStudy (taylormarie213):

please help me on these two

OpenStudy (taylormarie213):

OpenStudy (jdoe0001):

the first one, solve for "y"

OpenStudy (taylormarie213):

y= 7/4?

OpenStudy (jdoe0001):

well, yes, but you're missing the 2x/4

OpenStudy (jdoe0001):

to solve for "y" you'd need to substract 2x from both sides then divide both sides also by 4

OpenStudy (taylormarie213):

y=1/2x+7/4?

OpenStudy (jdoe0001):

well, y = -1/2x + 7/4 slope-intercept form is y = m x + b y = -1/2 x + 7/4 see the slope?

OpenStudy (taylormarie213):

Yes I do!

OpenStudy (jdoe0001):

as far as the parabola let us use the focus standard form of the parabola, that is \(\large (x-h)^2=4p(y-k)\)

OpenStudy (jdoe0001):

in that form of the parabola, the "vertex" is at the points, (h, k)

OpenStudy (jdoe0001):

solving y = \(x^2\) -3 for "x" we get \(\large y + 3 = x^2\)

OpenStudy (taylormarie213):

thank you so much!

OpenStudy (jdoe0001):

yw

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