Apair of equations is shown below: y = 7x − 8 y = 5x − 2 part a: explain how you will solve the pair of equations by substitution or elimination. show all the steps and write the solution. (5 points) part b: if the two equations are graphed, at what point will the lines representing the two equations intersect? explain your answer. (5 points)

Step-by-step explanation:

If a solution exists, the (x,y) coordinates will be equal, so we can say y=y:

7x-8=5x-2  add 8 to both sides

7x=5x+6  subtract 5x from both sides

2x=6  divide both sides by 2

x=3, now substitute this value for x into either original equation to solve for y

y=5x-2 becomes:

y=5(3)-2

y=15-2

y=13

So the solution to the system of equations is the point:

(3, 13)

answer: 590

step-by-step explanation:

find the magnitude of the trig term  

csc

(

x

)

−

1

by taking the absolute value of the coefficient.

1

find the lower bound of the range.

tap for more

y

=

−

2

find the upper bound of the range.

tap for more

y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation: