Q: Find the solution to each system by the substitution method. Check your answers for exercises.
2x-5y= -1
x-3y= -3

A: The solution to the system of equations 2x-5y= -1, x-3y= -3 is: x = 12, y = 5. Source.

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. Which ordered pair below has an x-coordinate value of 3, and a y-coordinate value of –2? (Points : 5)

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Updated 2/13/2015 3:42:17 AM

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Given the function f(x) = - 2x , find the value of f(–1). **Weegy:** f(-1) = (-1)^2 - 2(-1) = 3
f(1) = 1^2 - 2(1) = -1 (More)

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Updated 9/16/2014 12:52:57 AM

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When f(x) = - 2x , the value of f(–1) is 2.

f(-1) = -2*(-1) = 2.

f(-1) = -2*(-1) = 2.

Added 9/16/2014 12:47:39 AM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [9/16/2014 12:52:53 AM], Rated good by andrewpallarca

What is the slope m and y-intercept point of the line y = 2x + 1?

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Updated 2/17/2017 11:22:26 PM

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In the form, y = mx + b, m stands for the slope and b stands for the y-intercept; therefore, in the equation y = 2x + 1,

Slope: 2

y-intercept: 1

Slope: 2

y-intercept: 1

Added 2/17/2017 11:22:26 PM

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