Functions Review RULES 1. Decide which team goes first. 2. Appoint a scorekeeper. 3. Teams answer correctly and earn money. If a team is correct, they.

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Presentation transcript:

Functions Review

RULES 1. Decide which team goes first. 2. Appoint a scorekeeper. 3. Teams answer correctly and earn money. If a team is correct, they can continue until max. 3 times or until they get BAAM! 4. If a team hits BAAM! they go bankrupt! 5. The team with the most money at the end is the winner.

Is the table a linear or non linear function? Linear xy

Say ‘goodbye’ to your money!

yes Is the mapping showing a function?

You are broke!

no Is the table showing a function? xy

Is the table showing a function? yes xy

Where’s your money gone?

Unlucky!

Is the table showing a linear or nonlinear function? nonlinear xy

Oh dear!

nonlinear Is the graph a linear or nonlinear relationship?

Write the equation for a line with a y-intercept of 3 that also passes through the point (2,5). y= x +3

y = 3x + 2 y = 3x – 2 Look at the 2 equations above. Choose the statement that best fits the comparison of the two equations. a) The items have different y-intercepts and different rates of change. b) The rates of change are the same, but the y-intercepts are different. c) The items have the same y-intercepts and the same rate of change. d) The y-intercepts are the same, but the rates of change are different. b

Oops!

Vertical line test What is the name of the method used to look at a graph and decide whether it is a function?

Write the equation for the table. y = -3x – 9 x y

Is the graph showing a linear or nonlinear relationship? linear

Laying on its side Draw a parabola to show when it would NOT represent a function?

yes Is the mapping showing a function?

no Is the graph showing a function?

d Look at the equations above. Choose the statement that best fits the comparison of the two equations. a) The items have different y-intercepts and different rates of change. b) The rates of change are the same, but the y-intercepts are different. c) The items have the same y-intercepts and the same rate of change. d) The y-intercepts are the same, but the rates of change are different.

NO Is the relationship in the mapping showing a function?

y = -2x – 8 Write the equation for the table. x y

You lost everything!

y = 2x +9 Write the equation for the table. xy