7x + 3y = 42 can be converted to slope intercept form using the formula y = mx + b.
First, get 3y on to the outside. -3y = 7x - 42
Divide everything by -3. You are left with y = 7/3x + 14
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2x^2 + 8x + 3 = 0
x2-5-4x2+3x = 0 -3x2+3x-5 = 0 or as 3x2-3x+5 = 0
if you put in what the problem equals then it can be answered
well it equals 4 any way you put
oh my god, that was the exact homework i had few days ago, but you have to have a calculator to do this. just plug in the numbers in the but ton Y=, one column you put-16t squared plus 25t plus 6 then the next column you put 0. the graph should form a parabola.