Download Chapter 2 Functions, Equations, and Graphs Review

CHAPTER 2 FUNCTIONS,
EQUATIONS, AND GRAPHS
REVIEW
IS THE RELATION A FUNCTION?
EXPLAIN! FIND THE DOMAIN AND
RANGE
• { (2, 3), (4, 5), (6, 7), (8, 9)}
IS THE RELATION A FUNCTION?
EXPLAIN! FIND THE DOMAIN AND
RANGE
• { (5, 3), (4, 5), (8, 7), (2, 9)}
WRITE AN EQUATION FOR THE LINE
IN STANDARD FORM
• Slope= 3, through (4, 0)
WRITE AN EQUATION FOR THE LINE
IN STANDARD FORM
• Through (2,3) and (3,5)
FIND THE SLOPE AND X AND Y
INTERCEPTS OF THE LINE
• 5–x=y
• Write an equation of the line parallel to x+2y= 6 through (8,3)
• Write an equation of the line perpendicular to x + 2y = 6 through (8,3)
• Graph the 3 lines on the same coordinate plane.
DETERMINE IF Y VARIES DIRECTLY WITH
X. IF SO FIND THE CONSTANT OF
VARIATION AND WRITE THE EQUATION.
X
y
-2
3
0
4
2
7
DETERMINE IF Y VARIES DIRECTLY WITH
X. IF SO FIND THE CONSTANT OF
VARIATION AND WRITE THE EQUATION.
X
y
0
0
1
1
-5
-5
FIND THE CONSTANT OF VARIATION.
THEN FIND THE VALUE OF Y WHEN X = -.03
• y = 2 when x = -0.5
GRAPH THE EQUATION
• y = -|x + 10|
GRAPH THE EQUATION
1
3
• y = |2x + 6| + 2
GRAPH THE INEQUALITY
• y ≥ -2
GRAPH THE INEQUALITY
• y < 3x + 1
GRAPH THE EQUATION
• y > |2x + 1|
WRITE AN INEQAULITY
WRITE AN INEQUALITY