Which of the following is a solution of y |x|-6. (-5,1) (-1,-5) (5,-1)

2 answers:

7 0

Assuming you forgot the equal sign

y=|x|-6

test each
(x,y)
(-5,1)
1=|-5|-6
1=5-6
1=-1
fasle

(-1,-5)
-5=|-1|-6
-5=1-6
-5=-5
true

(5,-1)
-1=|5|-6
-1=5-6
-1=-1

the answer is
(-1,-5) and (5,-1)

Veronika [31]3 years ago

4 0

<h2>Answer with Step-by-step explanation:</h2>

We have to determine the solution of:

y= |x|-6

when x= -5, |x|=5

y= 5-6 = -1

Hence, (-5,1) is not the solution

when x= -1, |x|=1

y= 1-6 = -5

Hence, (-1,-5) is a solution

when x= 5, |x|=5

y= 5-6 = -1

Hence, (5, -1) is a solution

Correct options are:

(-1,-5) and (5,-1)

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If the length of a rectangle is 3 and the width is 2, the length of the diagonal is a 13 b 5 c √5 d √13

trasher [3.6K]

Answer:

The length of the rectangle is 12cm and the area of the rectangle is 60cm2.

Explanation:

By definition, the angles of a rectangle are right. Therefore, drawing a diagonal creates two congruent right triangles. The diagonal of the rectangle is the hypotenuse of the right triangle. The sides of the rectangle are the legs of the right triangle. We can use the Pythagorean Theorem to find the unknown side of the right triangle, which is also the unknown length of the rectangle.

Recall that the Pythagorean Theorem states that the sun of the squares of the legs of a right triangle is equal to the square of the hypotenuse. a2+b2=c2

52+b2=132

25+b2=169

25−25+b2=169−25

b2=144

√b2=√144

b=±12

Since the length of the side is a measured distance, the negative root is not a reasonable result. So the length of the rectangle is 12 cm.

The area of a rectangle is given by multiplying the width by the length.

A=(5cm)(12cm)

A=60cm2

3 0

3 years ago