Answer:
To convert the vertex form back to standard form, simply square the binomial, distribute a, and add the constants. y=3(x+1)^2+5 y=3(x^2+2x+1)+5 y=3x^2+6x+3+5 y=3x^2+6x+8 This is the original standard form of the equation.
Step-by-step explanation:
So basically in that example you are just going to square the x-1 because of pemdas, then multiply by 3, then add 2.
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let x represent the bus
6x + 21 = 195
6x = 195 - 21
6x =174
x = 29
10
69 feet
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