Algebra 2<br />Linear Functions<br />A _________________________ is a pairing of input and output values.<br /><ul><li>Can...
Choose a few x-values to _________________ and find the corresponding y-values.
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A2 1 linear fxns notes

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A2 1 linear fxns notes

  1. 1. Algebra 2<br />Linear Functions<br />A _________________________ is a pairing of input and output values.<br /><ul><li>Can be represented graphically by a set of ___________________________________.</li></ul>A relation is a __________________________ when each input value has _____________________________________________ output value.<br />32004004826000<br />EX1: Graph the relation. What is the domain? What is the range? Is it a function?<br />{(3, 4), (2, 4), (1, 2), (3, -2)}<br />What kind of graph does a linear function make?<br />A ____________________________ to a linear equation is a ___________________ on the line.<br />EX2: Is (3, -4) a solution to the equation 5x+2y=20?<br />Is (3, -4) a solution to the equation 5x+2y=7?<br />The graph of a ______________________ is the set of ALL the __________________ (x, y) that satisfy the equation.<br /><ul><li>For a linear function, all these points together create a _____________________.</li></ul>One way to graph a linear function is to create a _________________________________________.<br /><ul><li>________________ the equation for y.
  2. 2. Choose a few x-values to _________________ and find the corresponding y-values.
  3. 3. Plot these _________________________.
  4. 4. ______________________ with a straight line.</li></ul>308610015367000<br />EX3: Graph the equation 5x+2y=20.<br />xy<br />Another way to graph a line is to find the x- and y-__________________________________.<br /><ul><li>This is where it crosses the _________________________.
  5. 5. For the x-intercept, y = ______________
  6. 6. For the y-intercept, x = ______________</li></ul>297180033591500EX4:Find the x- and y-intercepts of the equation 5x+2y=20. Then use the intercepts to graph the function. <br />HW: p. 71 (22 – 24, 34 – 40)<br />Intercepts: p. 87 (43 – 49)<br />

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