kennycooper9759 kennycooper9759

20-12-2022
Mathematics

Answered

The points 2,4 and -2,-4 are plotted on a coordinate plane using the equation y equals a times x. How can you use the coordinates to find the value of a?

Answer :

sqdancefan sqdancefan

20-12-2022

Answer:

Put the coordinates in the equation and solve for 'a'. (a = 2)

Step-by-step explanation:

Given the proportional relation y = ax includes the points (2, 4) and (-2, -4), you want to know how the coordinates can be used to find the value of 'a'.

Solution

Put the coordinates from either point into the equation, and solve for 'a'.

4 = a·2

2 = a . . . . . . divide by 2

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