What is the slope of a line that is perpendicular to the line y = 1?

Mathematics

1 answer:

Evgen [1.6K]2 years ago

6 0

X=-1/2 because slope of another line has to perpendicular to the other one, it is the opposite and reciprocal

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Quadrilateral abcd has the vertices a(-6,4) , b(-4,5) , c(-3,3) , d(-5,1) . determine if quadrilateral abcd is a rhombus

bazaltina [42]

Answer:

Step-by-step explanation:

The defining property of a rhombus is that it has equal side lengths.

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Finding all side lengths :

AB

⇒ √(-4 + 6)² + (5 - 4)²

⇒ √2² + 1²

⇒ √5 units

BC

⇒ √(-3 + 4)² + (3 - 5)²

⇒ √1² + (-2)²

⇒ √5 units

CD

⇒ √(-5 + 3)² + (1 - 3)²

⇒ √(-2)² + (-2)²

⇒ √8 units

DA

⇒ √(-6 + 5)² + (4 - 1)²

⇒ √(-1)² + 3²

⇒ √10 units

As all side lengths of the quadrilateral are not equal, ABCD is not a rhombus.

3 0

2 years ago

I'm really confused with this how do you answer this y=4 on a graph

Vilka [71]

Y = 4
y intercept is 4
The line would be horizontal and it would intersect the y axis at the point (0,4)

4 0

3 years ago

I know the answer is C. but I need to know how to solve it!

otez555 [7]

Yes you are right it's C)
Notice that f(-2) = (-2)³ +2( - 2)² + 4(-2) + 8 =0
Then x³+2x²+4x+8 is divisible by (x+2)
Perform this division & you will get:

x³+2x²+4x+8 = (x+2)(x²+4)
The root of (x+2) is the value that render it nil, that is x=-2
The root of (x²+4) are imaginary (not real) because
x²+4 =0 ==> x² = -4 & x=√-4 or x= 2i (nor real).
Hope you understood the reasoning

3 0

2 years ago

Please answer correctly

marysya [2.9K]

Answer:

Option (1)

Step-by-step explanation:

We need a recursive formula.