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3 years ago

15

The equation of a line is y=-3x - 2. What are the slope and the y-intercept of the line?

1 answer:

Elodia [21]3 years ago

7 0

D, because everything in front of the x is the slope and everything after the x is the y- intercept

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Solve. (x + 3)^1/2– 1 = x

Natali [406]

Answer:

x=1

Step-by-step explanation:

$(x + 3) ^{ \frac{1}{2} } - 1 = x \\ \sqrt{x + 3} - 1 = x \\ \sqrt{x + 3} = x + 1 \\ square \: both \: sides \\ x + 3 = {x}^{2} + 2x + 1 \\ {x}^{2} + 2x - x + 1 - 3 = 0 \\ {x}^{2} + x - 2 = 0 \\ x ^{2} + 2x - x - 2 = 0 \\ (x^{2} + 2x) - (x + 2) = 0 \\ x(x + 2) - 1( x + 2) = 0 \\ (x - 1)(x + 2) = 0 \\ x - 1 = 0 \\ x = 1 \\ \\ \\ x + 2 = 0 \\ x = - 2$

8 0

3 years ago

Line k is parallel to line l. Lines k and l are parallel. Lines m and n intersect to form 2 triangles. The top triangle has angl

larisa86 [58]

Answer:The line that is congruent to angle 4 is angle 1

hope this helped :)

6 0

3 years ago

Read 2 more answers

Write down in terms of n,

mojhsa [17]

A) is counting down by 3
B) is counting up by 5

4 0

3 years ago

Can someone please help me.

Natasha2012 [34]

Answer:10√2

Step-by-step explanation:

∆ABC is a right angle triangle

Angle A + Angle B + angle C = 180

There angel B = 180-135= 45

Angle A = Angle B

Therefore AC= BC=10

By Pythagoras ppt AB^2=10^2 +10^2

=100+100

=√200

=10√2

3 0

3 years ago

Read 2 more answers

Walter has 1/4 of a yard of string. He used 3/5 of it on a school project. How much string did he use?

zalisa [80]

Answer:

3/20 or .15

Step-by-step explanation:

You need to find 3/5 of 1/4, so you need to multiply

3/5*1/4= 3/20

3/20 or .15

3 0

3 years ago