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Katena32 [7]
3 years ago
15

x - 2y = 3 5x + 3y = 2 The lines whose equations are shown intersect at which point? (1, -1) (-1, 1) (0, 3/2)

Mathematics
1 answer:
gtnhenbr [62]3 years ago
4 0
I would solve the first equation for x and then sub that value into x in the second equation.  That's the easiest way.  x - 2y = 3 solved for x is x = 2y+3.  Now sub that in for x in the second equation: 5(2y+3)+3y=2 and 10y + 15 + 3y = 2.  13y = -13, and y = -1.  Now sub that y value into either equation to solve for x: x = 2(-1) + 3 gives us an x value of x = 1.  Therefore, your solution to this system is (1, -1), first choice above.
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melisa1 [442]

Answer:

Step-by-step explanation:

5y  

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4 0
3 years ago
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PLEASE HELP ASAP!!!!!!!!!! Pleeease!!!
Orlov [11]

Answer:

f(-5)=2, f(-2)=4

Step-by-step explanation:

-5<-4, so you use the first function in the piece wise function. You plug in -5 for x in 2^x+6, which gives you 2^1=2

-4<-2=2, so you use the second equation in the piecewise function. You plug in -2 for x, which gives you 2(-2+3)^2 +2, or 2(1)^2 +2 = 2 + 2 = 4

3 0
3 years ago
Which is NOT a line of symmetry?<br> 1<br> 2<br> 3<br> 4<br> 5
Brut [27]

Answer:

Line 3 is the only one that is not a line of symmetry.

4 0
3 years ago
Use the interactive to make a line that passes through the points 3'2 and -1'-1 slope
Oliga [24]

The required equation of the line passing the coordinates will be y = 3/4x - 1/4

<h3 /><h3>Equation of a line</h3>

The standard equation of a line is expressed as y= mx + b

where

m is the slope

b is the y-intercept

Given the coordinate points on a line (3, 2) and (-1, -1)

Slope = -1-2/-1-3

Slope = 3/4

Determine the y-intercept

2 = 3/4(3) + b
2 = 9/4 + b

b = 2 - 9/4

b = -1/4

The required equation of the line passing the coordinates will be y = 3/4x - 1/4

Learn more on equation of a line here: brainly.com/question/18831322

#SPJ1

7 0
2 years ago
Graph the function y=square root x+6+2. which poits lies on the graph?
Zolol [24]
Hello :
y= <span>√(x+6) +2
 answer :
</span><span>d.(-2,4) 
because : when  x =-2        y =</span>√(-2+6) +2  = √4 +2 2+2 = 4
7 0
3 years ago
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