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Nostrana [21]
3 years ago
13

How many solutions does the following system of equations have? 2y=5x+4 y=3x+2 a. infinite many b.2 c.1 d.0

Mathematics
1 answer:
ella [17]3 years ago
8 0
2y=5x+4
y= 3x+2

2(3x+2) = 5x+4
6x +4 = 5x+4
6x-5x=4-4
      x=0----------------------->  y=3x+2
                                       y=3(0)+2 = 0+2
                                       y=2
solution  (0,2)   one point   c.
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Read 2 more answers
What is the slope of the secant line? Thank you
Burka [1]

Answer:

Given that,

The function is,

f(x)=1.2x^3-37x^2+265x+555

To find: To find the slope of the secant line from x1=0 and x2=4

Explanation:

First we find the corresponding y values that is y1 and y2 for the given x1 and x2 respectively.

we get,

Whwn x1=0,

y1=f(x1)=f(0)

f(0)=1.2(0)^3-37(0)^2+265(0)+555f(0)=555y1=555

When x2=4, we get,

f(4)=1.2(4)^3-37(4)^2+265(4)+555f(4)=1099.8

To find the slope of the line passing the points (0,555), (4,1099.8)

we know that,

Slope of the line passing through the points (x1,y1) and (x2,y2)

m=\frac{y2-y1}{x2-x1}

we get,

m=\frac{1099.8-555}{4-0}m=\frac{544.8}{4}m=136.2

Answer is:

Slope of the secant line from x1=0 and x2=4 is 136.2.

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Answer:

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