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4 years ago

How can you determine the equation that represents this relationship?

Mathematics

2 answers:

shusha [124]4 years ago

7 0

Answer:

FINDING THE EQUATION OF A LINEAR RELATIONSHIP. We can use the points on a graph of a linear relationship to write an equation for the relationship. The equation of a linear relationship is y = mx + b, where m is the rate of change, or slope, and b is the y-intercept (The value of y when x is 0). Example 1 : A handrail runs alongside a stairway. As the horizontal distance from the bottom of the stairway changes, the height of the handrail changes.

SOVA2 [1]4 years ago

3 0

Ans: The equation that represents a proportional relationship, or a line, is y=kx, where k is the constant of proportionality. Use k=yx from either a table or a graph to find k and create the equation. Proportional relationships can be represented by tables, graphs and equations.

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Write the equation of an ellipse with vertices at (7, 0) and (-7, 0) and co-vertices at (0, 1) and (0, -1).

Irina-Kira [14]

Answer:

$\frac{(x)^{2}}{49}+\frac{(y)^{2}}{1}=1$

Step-by-step explanation:

In this problem we have a horizontal ellipse, because the major axis is the x-axis

The equation of a horizontal ellipse is equal to

$\frac{(x-h)^{2}}{a^{2}}+\frac{(y-k)^{2}}{b^{2}} =1$

where

(h,k) is the center of the ellipse

a and b are the respective vertices distances from center

we have

vertices at (7, 0) and (-7, 0)

co-vertices at (0, 1) and (0, -1)

The center is the origin (0.0) (The center is the midpoint of the vertices)

a=7

b=1

substitute

$\frac{(x-0)^{2}}{7^{2}}+\frac{(y-0)^{2}}{1^{2}}=1$

$\frac{(x)^{2}}{49}+\frac{(y)^{2}}{1}=1$

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3 years ago

Which fraction is closest to 1/2 a 2/2 b 1/6 c 2/1 d 5/8

Natalija [7]

Answer:

Step-by-step explanation:

7 0

3 years ago

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What is the answer and how should the problem look?y-12 = -22

Alchen [17]

If solving for y

remember, you can do anything to an equation as long as you do it to both sides
y-12=-22
add 12 to both sides
y+12-12=12-22
y+0=-10
y=-10

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3 years ago

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What is the minimum number of intersection points a hyperbola and a circle could have

iren2701 [21]

Zero if the circle is for example in the 2nd/3rd quadrant and the hyperbola is in the 1st and 4th

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3 years ago

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