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Name: 1- A. V = l w h, which expression can be used to represent l B. V = l w h, which expression can be used to represent w C. = l w h, which expression can be used to represent h 2- Solve for x A. 2/3(x + 3) = x - 2 B. x -2 = (4 + x) ½ C. 2(x + 10) = 1/3 (x + 6) Midterm Review 3- Which value of x is in the solution set of the following inequalities 3( x + 2) > 18 a. -4 -4x + 3 < 23 a. -10 b. 6 b. -2 c. 2 d. 0 c. -6 d. -8 4- What is the value of m in the following equations 5m - 10 = 10m + 30 -8m - 4 = -2m + 8 8 - 2m = 4 - 2( 3 + 4m) 5- The algebraic expression 6 + 3m = 8 + 5( 3 + 4m) x - 3 is undefined when x is x+5 The algebraic expression x + 4 is undefined when x is 2x + 6 The algebraic expression x - 9 is undefined when x is x-4 6- State which is rational or irrational .121212121212.…. 13113111311114.….. 1/3 7. The following expression (-4x2y3)2 is equivalent to The following expression (5x3y4)2 is equivalent to The following expression (-x4 y3)2 is equivalent to 8- Express in simplest form (4x4) (6x7) 2x2 (-6x5) (9x6) 3x2 What is the value of x - 7y if x = 1 and y = 3 2 What is the value of x2 + 6y if x = -3 and y = 4 11 (10x4) (20x8) 5x3 π 9- Given: A = { 1,2,3,4,5,6,7,8 } B = { 5,6,7,8} What is the complement of set B within the universe of set A A = {All odd integers from 1 to 19, inclusive} B = {1,3,5,7,9} What is the complement of set B within the universe of set A 10- Write the interval notation that represents……… set of all numbers 3 exclusive through 9 inclusive? set of all numbers 2 exclusive through 11 exclusive? set of all numbers 1 inclusive through 7 inclusive? 11- Which property is illustrated by the following equations……….. A + (b + c) = ( a + B) + c distributive property (A x b) x c = a x (b x c) commutative property of addition A+b=b+a commutative property of multiplication Axb=bxa associative property of addition A(b + c) = ab + ac associative property of multiplication 12- When given a true statement: “ m is a multiple of 9 and m is even” what is the value of m? A. 27 b. 18 c. 16 d. 9 When given a true statement: “ j is a multiple of 7 and is odd” what is the value of j? A. 14 b. 28 c. 21 d.70 13- Which equation represents a line parallel to y = -3x + 8 A. y = 3x + 8 b. y = 1/3x - 2 c. y = -3x - 4 Which equation represents a line parallel to y = 1/2x - 5 A. y = -1/2x -2 b. y = 1/2x -8 c. y = 2x + 6 d. y = 8x =9 d. y = 5x - 2 14- what is the slope of the line that passes through the points (2,-3) ( 4, 5) what is the slope of the line that passes through the points (-6,2) ( -2, 4) what is the slope of the line that passes through the points (-7,-1) (-4,-5) 15- What is verbal expression that represents -4 ( x - 8 ) What is verbal expression that represents 2 ( x - 5 ) What is verbal expression that represents 6 ( x - 2 ) 16- What is value of a. ( 3x2) (4x3) 4x d. -15a4b2 3a6b e. 10x6y3 2x 4y6 b. ( -2x5) (-3x2) 2x f. 16x2y7 8x5y5 c. ( 5x4) (2x3) 2x3 17- The sum of 5x3 + 4x2 + 3x + 2 and 2x3 -3x2 + 6x - 8 The sum of -7a3 + 4a2 - 6a + 4 and -3a3 -5a2 -2a + 8 The sum of -8x2 + 5x + 6 and 7x2 -4x - 5 The sum of 8x2 + 7x + 5 and 4x2 + 4 The sum of -6x2 -4x + 4 and 6x2 - 2 18- the value of…………. (2x3y5) (5x2y4) (-4a2b3) (-2a5b4) (6x6y2) (-3x3y4) 19- The expression ( 4x2 + 5x -3) – ( -2x2 + 3x + 4) is ______________________ The expression ( -5a2 -4a -3) – ( 3a2 -5a + 6) is ______________________ The expression ( 8x2 + 5x + 2) – ( 4x2 + 8x -5) is ______________________ 20- What is the quotient of 4.2 x 108 and 2.4 x 104 - What is the quotient of 6.02 x 107 and 3.2 x 103 - What is the quotient of 8.12 x 105 and 4.04 x 102 21- Express in scientific notation 123,000,000 Express in scientific notation 0.000024 Express in scientific notation 4,210 22- What is the value of the expression | -3x + 5| when x = 4 - What is the value of the expression | -2x + 1| when x = 3 - What is the value of the expression | -4x + 2| when x = 5 23- Simplify the following expression ( x + 2y)2 b [ (b + 3) ( b + 2 ) -5 ] x [ ( x + 6) ( x – 3 ) + ] ( a – 3b)2 y [ ( y + 3) ( y – 3 ) - 2 ] ( x - 5y)2 24- Graph the following Y = 2x -1 Y = 2/5 x + 2 2x – 4y = 16