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meriva
3 years ago
9

Question 3 cdhcjenfheucjndjdnd

Mathematics
2 answers:
kvv77 [185]3 years ago
7 0

Answer:

Slope 3, y-intercept is 1

Step-by-step explanation:

As x increases by 3, y increases by 9. Rate of change is y/x, therefore the slope is 9/3 which equals 3. If the slope is 3, to find y, simply subtract 9 from 10. 10-9 = 1.

Fantom [35]3 years ago
4 0

Answer:

y=3x+1

Step-by-step explanation:

slope is 3

intercept is 1

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3 years ago
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17
Sauron [17]

let's firstly find the equation of the parabola, bearing in mind that x-intercepts or solutions/zeros/roots means y = 0.

\bf ~~~~~~\textit{vertical parabola vertex form} \\\\ y=a(x- h)^2+ k\qquad \begin{cases} \stackrel{vertex}{(h,k)} \end{cases} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \begin{cases} h=1\\ k=-9 \end{cases}\implies y=a(x-1)^2-9 \\\\\\ \textit{we also know that } \begin{cases} x=0\\ y=-6 \end{cases}\implies -6=a(0-1)^2-9\implies 3=a(-1)^2

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3 years ago
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Simplified fraction 8b+3b-2=6+8b+4
Triss [41]

Answer:

b=4

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it works

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