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olchik [2.2K]
3 years ago
12

PLS HELP, Urgent! When conducting the vertical line test, how many times should the vertical line intersect the graph if the rel

ationship is a function?
Mathematics
1 answer:
noname [10]3 years ago
6 0
The vertical line should only intersect the graph once
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PLEASE HELP ASAP 30 POINTS ):
ladessa [460]

Answer:

c (0,-4)

Step-by-step explanation:

-5x+y = -4

4x - 4y =16

Solve the first equation for y since we are using substitution.

-5x+y = -4

Add 5x to each side

-5x+5x+y = -4+5x

y = 5x-4

Substitute this equation y = 5x-4 into the second equation.

4x -4(5x-4) = 16

Distribute the -4

4x - 4(5x) -4(-4) = 16

4x-20x +16 = 16

Combine like terms

-16x +16 =16

Subtract 16 from each side

-16x+16-16 = 16-16

-16x =0

Divide by -16

x=0


But we still need to find y

y = 5x-4

y = 5(0) -4

y = -4

5 0
4 years ago
PLS HELP ASAP! IM BEING TIMED!
PtichkaEL [24]
They marked 2,9 on the wrong place , they accidentally put it on 9,2
6 0
3 years ago
Read 2 more answers
Please look at the screenshot!
ruslelena [56]

Answer:

36

Step-by-step explanation:

You add all the equation solutions together.

4 0
3 years ago
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Help please, will give lots of points!
Troyanec [42]

Step-by-step explanation:

roots as exponents are fractions

if there is no root number next to the radical sign its assumed that its 1/2

3√2 is 2^(1/3)

√3 is 3^(1/2)

4√3 is 3^(1/4)

5√2 is 2^(1/5)

8 0
2 years ago
Find sec x if sin x = -7/25 and cot x = -24/7.<br> Show work.
vredina [299]

Answer:

25/24

Step-by-step explanation:

sin x = O/H = -7/25

cot x = A/O = -24/7

sec x = H/A

if sin x = -7/25, the opposite side is 7, and the hypotenuse is 25

if cot x = -24/y, the adjacent side is 24 (and the opposite side is still 7)

since H = 25 and A = 24, sec x = 25/24

Also, you know it's positive because when sin x is negative, the angle is in quadrants 3 or 4, and when cot x is negative, the angle is in quandrants 2 or 4, so the only quadrant that satisfies both is 4. In quadrant 4, sec x is positive.

4 0
3 years ago
Read 2 more answers
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