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Aleonysh [2.5K]
4 years ago
12

Me ajudem, é urgente!

Mathematics
1 answer:
Blababa [14]4 years ago
5 0

Step-by-step explanation and answers:

<em>a)</em> y=3x+1

y=3*(-1)+1= -3+1= -2

y=3*0+1=0+1=1

y=3*1+1=3+1=4

<em>b) </em>y= -3x+1

y= -3*(-1)+1=3+1=4

y= -3*0+1=0+1=1

y= -3*1+1= -3+1= -2

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The sum of two consecutive whole numbers<br> is 35. What are the two numbers?
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Answer:

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Step-by-step explanation:

Unknown number = x

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Find the equation for the line passing through the point (−1,1) ( − 1 , 1 ) and parallel to the line whose equation is y=2x+12.
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\bf \begin{array}{lllll}&#10;&x_1&y_1\\&#10;%   (a,b)&#10;&({{ -1}}\quad ,&{{ 1}})&#10;\end{array}&#10;\\\\\\&#10;% slope  = m&#10;slope = {{ m}}= \cfrac{rise}{run} \implies 2&#10;\\\\\\&#10;% point-slope intercept&#10;\stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-1=2[x-(-1)]&#10;\\\\\\&#10;y-1=2(x+1)\implies y-1=2x+2\implies y=2x+3
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