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IrinaVladis [17]
3 years ago
14

To solve a system of inequalities, you just need to graph each inequality and see wich points are in the overlap of the graphs.

Mathematics
1 answer:
GrogVix [38]3 years ago
3 0
<h3>Answer: True</h3>

This is often how many math teachers and textbooks approach problems like this. The overlapped region is the region in which satisfies every inequality in the system. Be sure to note the boundary of each region whether you're dealing with a dashed line or a solid line. Dashed lines mean points on the boundary do not count as solution points, whereas solid boundaries allow those points as part of the solution set.

Side note: This is assuming you're dealing with 2 variable inequalities. If you only have one variable, you don't need to graph and instead could use algebra. Graphing doesn't hurt though.

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Answer:

In the equation of a straight line (when the equation is written as "y = mx + b"), the slope is the number "m" that is multiplied on the x, and "b" is the y-intercept (that is, the point where the line crosses the vertical y-axis).

Step-by-step explanation:

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Y = 4x + 11<br> y = -2x - 1
GaryK [48]

Answer:

x = -2, y= 3

Step-by-step explanation:

y = 4x + 11

y = -2x - 1

Because both equations are equal to y, we can set them equal to each other

4x + 11 = -2x - 1

Add 2x to each side

4x+2x +11 = -2x+2x -1

6x +11 = -1

Subtract 11 from each side

6x+11-11=-1-11

6x = -12

Divide each side by 6

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x = -2

Now we need to find y

y = -2x-1

y = -2(-2)-1

   =4-1

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Using a graphical method, solve the simultaneous equations y=2x-6 and y=-x
siniylev [52]

Answer:

x=2

Step-by-step explanation:

both equations represent y so

2x-6= -x

rearrange the equation to bring the like terms together

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divide by 3 on both sides to get

x=2

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