algebra

Write an equation for the data values below

x -4 -3 -2 -1
y -1 0 1 2

  1. 👍 0
  2. 👎 0
  3. 👁 124
  1. x goes up 1 (-4to-3), y goes up 1(-1 to 0)
    x goes up 3(-4 to-1), y goes up 3(-1 to 2)

    change in / change in x = slope = 1

    so y = m x + b with m = 1
    y = x + b
    put in a point (-3,0) is easy
    0 = -3 + b
    b = 3
    so
    y = x + 3

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Algebra worksheet

    Hello. My algebra teacher gave me this worksheet last week and everyone had to bring it yesterday and I haven't done it yet. Can someone please help me. He said Friday is the last day or he's going to take away some points. I've

  2. C++

    // Program: name of program // Author: your name // Date Written: date you began writing the program /* Abstract: Brief description of the program */ Include in-line comments in the body of your program. You can convert

  3. algebra 1

    Which type of function best models the data in each table? Write an equation to model the data. Table: x | y 0 | 5 1 | 2 2 | 0.8 3 | 0.32 4 | 0.128 Please help me with this I'm really bad at graphs and functions..I know its either

  4. Trig.

    A statistician is analyzing data to find a model. She has determined the following characteristics of the data. Which characteristics of the data defined the period? -The initial value is 5 -all of the values are negative -the

  1. Statistics

    A disadvantage of using arithmetic mean to summarize a set of data is? A. the arithmetic mean sometimes has two values. B. it can used for interval and ratio data. C. it is always different from the median. D. it can be biased by

  2. Algebra

    Jordan uses a linear equation to model the data in a table. Which reasoning might Jordan have used in the decision to model the data with a linear equation? The products of corresponding x- and y-values are equal. The ratios of

  3. Algebra

    10. Write an equation in point-slope form for the line through the given point with the given slope. (5, 2); m=3 a. y+2=3(x-5) *** b. y+2=3x-5 c. y-2=3(x+5) d.y-2=3(x-5) 11. Write an equation in point-slope form for the line

  4. algebra

    The mean of a data set is 7.8, the made is 6.6, and the median is 6.8. What is the least possible number of data values in the set? A 3 data values B 4 data values C 5 data values D 6 data values I'm not really sure how I'm

  1. algebra

    Could someone show me how to solve this joint variation problems? Y varies jointly as x and y and inversely as w. Write the appropriate combined variation equation and find z for the given values of x, y and w. z=15 when x equals

  2. Alg 2 HELP!!

    1.) Find an exponential function of the form y=ab^x whose graph passes through the points (2,48) and (5,3072) 2.) The variables x and y vary inversely. Use the given values to write an equation relating x and y. Then find y when

  3. math

    The table shows the height of a plant over time. Which type of function best models the data? Write an equation to model the data. Year Height (cm) 0 86 1 101 2 116 3 131 4 146 please help

  4. Math

    Determine a relationship between the x- and y- values in the equation {(0,1), (1,0), (2, -1), (3, -2)}. Write an equation......y=?

You can view more similar questions or ask a new question.