Math Problem Statement

Gambarlah grafik fungsi dari persamaan y = 1/2x + 1 dengan x = -4, -2, 0, 2, 4

Solution

The image shows a math exercise that asks to graph the function given by the equation y=12x+1y = \frac{1}{2}x + 1. The specific x-values provided are x=4,2,0,2,4x = -4, -2, 0, 2, 4.

To Graph the Function

  1. Calculate yy-values for given xx-values:

    &\text{For } x = -4: & y &= \frac{1}{2}(-4) + 1 = -2 + 1 = -1 \\ &\text{For } x = -2: & y &= \frac{1}{2}(-2) + 1 = -1 + 1 = 0 \\ &\text{For } x = 0: & y &= \frac{1}{2}(0) + 1 = 0 + 1 = 1 \\ &\text{For } x = 2: & y &= \frac{1}{2}(2) + 1 = 1 + 1 = 2 \\ &\text{For } x = 4: & y &= \frac{1}{2}(4) + 1 = 2 + 1 = 3 \\ \end{aligned}$$
  2. Plot these points on a graph:

    • (4,1)(-4, -1)
    • (2,0)(-2, 0)
    • (0,1)(0, 1)
    • (2,2)(2, 2)
    • (4,3)(4, 3)
  3. Draw the line: Connect the points to visualize the linear function y=12x+1y = \frac{1}{2}x + 1.

Would you like more detailed instructions or a graph visualization?

Relative Questions:

  1. How do you find the slope of a linear function?
  2. What is the significance of the y-intercept in a linear equation?
  3. How do you determine if two lines are parallel or perpendicular?
  4. What are the steps to convert a linear equation into slope-intercept form?
  5. How do changes in the slope and y-intercept affect the graph of a line?

Tip:

When graphing linear equations, start by identifying the y-intercept and use the slope to determine additional points.

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Math Problem Analysis

Mathematical Concepts

Linear Functions
Graphing Equations
Slope-Intercept Form

Formulas

y = mx + b (Slope-Intercept Form)

Theorems

Linear Function Theorem

Suitable Grade Level

Grades 7-9