Open sentences.ppt

Objective The student will be able to: ,[object Object],[object Object],Designed by Skip Tyler, Varina High School and Nicole Kessinger, Deep Run High School

A Variable Expression is a group of numbers, variables, and operations. (No equal sign) ,[object Object],[object Object],[object Object]

An Equation is a mathematical sentence that contains an equal sign (=). ,[object Object],[object Object],[object Object]

A sentence that has the symbol  ,  ,  , or  is called an inequality . ,[object Object],[object Object],[object Object]

Expression, equation, or inequality? 13x + 14y = 30 ,[object Object],[object Object],[object Object],Answer Now

Expression, equation, or inequality? -2x - 4 ,[object Object],[object Object],[object Object],Answer Now

Expression, equation, or inequality? 4b  21 ,[object Object],[object Object],[object Object],Answer Now

Expression, equation, or inequality? 10a - 22 = -92 ,[object Object],[object Object],[object Object],Answer Now

Expression, equation, or inequality? -7k  -35 ,[object Object],[object Object],[object Object],Answer Now

Sometimes you can solve an equation by applying the order of operations. 4 + 5 • 2 = m 8 - 1 ,[object Object],[object Object]

The pay (P) at a certain job is calculated by multiplying the base pay (b) by the number of hours worked (h). If an employee works overtime (more than 40 hours in 1 week), the formula is P = 40b + 1.5b(h - 40). If Jamaal had base pay of $12.50/hr. and worked 46 hours, what would be his pay for the week? ,[object Object],[object Object],[object Object],[object Object],Answer Now

If a side of the square shown has length 20, what is the area of the circle (A= π r 2 ) ? ,[object Object],[object Object],[object Object],[object Object],Answer Now

A set is a collection of objects or numbers. ,[object Object],[object Object],[object Object],[object Object]

Replacement Set : a set of numbers from which a number may be chosen to take the place of the variable (All the numbers may not make the equation/inequality true.) ,[object Object]

Given 8 - x < 7, find the solution set if the replacement set is {0, 2, 4, 6, 8}. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Given 5 = 10 - y, find the solution set if the replacement set is {1, 2, 3, 4}. ,[object Object],[object Object],[object Object],[object Object],[object Object],Answer Now

Given 5 = 10 - y, find the solution set if the replacement set is {1, 2, 3, 4}. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Bonus Question! What is the area of the shaded region? ,[object Object],[object Object],[object Object],[object Object],Answer Now

Open sentences.ppt

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