Math Problem Statement

Graph the equation. Let x=-​3, -​2, -​1, ​0, 1,​ 2, and 3. y= 3x-4 x=0 y=?

Solution

Let's solve for yy using the given equation y=3x4y = 3x - 4, for x=0x = 0 first.

When x=0x = 0: y=3(0)4=4y = 3(0) - 4 = -4 Thus, when x=0x = 0, y=4y = -4.

Now, I will compute the values of yy for the given values of x=3,2,1,0,1,2,3x = -3, -2, -1, 0, 1, 2, 3.

Values of yy for each xx:

  • For x=3x = -3: y=3(3)4=94=13y = 3(-3) - 4 = -9 - 4 = -13
  • For x=2x = -2: y=3(2)4=64=10y = 3(-2) - 4 = -6 - 4 = -10
  • For x=1x = -1: y=3(1)4=34=7y = 3(-1) - 4 = -3 - 4 = -7
  • For x=0x = 0: y=4y = -4
  • For x=1x = 1: y=3(1)4=34=1y = 3(1) - 4 = 3 - 4 = -1
  • For x=2x = 2: y=3(2)4=64=2y = 3(2) - 4 = 6 - 4 = 2
  • For x=3x = 3: y=3(3)4=94=5y = 3(3) - 4 = 9 - 4 = 5

Now we have the points: (3,13),(2,10),(1,7),(0,4),(1,1),(2,2),(3,5)(-3, -13), (-2, -10), (-1, -7), (0, -4), (1, -1), (2, 2), (3, 5)

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Math Problem Analysis

Mathematical Concepts

Linear Equations
Graphing
Algebra

Formulas

y = 3x - 4

Theorems

-

Suitable Grade Level

Grades 6-8