Mixed Review Write an equation for each problem. Then solve the equation. 1. The difference between 70 and a number is 2. A number minus 13 is 1.

Transcription

1 1 of 12 2/23/2009 4:28 PM Name Mixed Review Write an equation for each problem. Then solve the equation. 1. The difference between 70 and a number is 2. A number minus 13 is A number multiplied by 3 is A number plus 45 is 100. Key #1 Date (Answer ID # ) divided by a number is Twelve times a number is 120. Complete by evaluating each expression 7. (98 n - 1) for n= n for n=24 9. (n - 2 5) for n= n - 4 for n= n for n= n - 1 for n= = 52 - g = x q - 54 = z = = 84 - h 18. y - 57 = = u e = = c - 16

2 2 of 12 2/23/2009 4:28 PM Simplify Key # ( ) = = (80 2) ( ) = 6, (5-4) 14 7 = Rule: w = j + 24 Input j w 33. Rule: f = k 9 Input k f Express each phrase as an algebraic expression. 34. product of a number p and quotient of a number t and a number a times a number s multiplied by difference of a number b and less than a number m

3 3 of 12 2/23/2009 4:28 PM = = 404 Key # = = n = = 23 + f 46. d + 42 = = s x + 3 = j = = 82 + a = w = 80 + h 53. Rule: u = t - 45 Input t u 54. Rule: g = 5p Input p g

4 4 of 12 2/23/2009 4:28 PM Key #2 Name Date (Answer ID # ) Mixed Review Write an equation for each problem. Then solve the equation. 1. A number divided by 10 is The difference between 77 and a number is divided by a number is A number plus 94 is Eleven times a number is plus a number is 130. Complete by evaluating each expression 7. 6 (4 + n) 8. n 51-3 for n=47 for n=65 9. (n - 4) + 11 for n= n 9 5 for n= n for n= (55 - n) + 39 for n=1 13. c - 83 = k = = 86 - y = v q = = b = m z = r - 46 = 29

5 5 of 12 2/23/2009 4:28 PM Simplify Key # (35 7) = (5 48) 1 - (2 + 39) = = (3 38) - 2 = Rule: t = 45 t Input y t 33. Rule: s = f 9 Input f s Express each phrase as an algebraic expression. 34. a number z increased by sum of 49 and a number w 36. a number j decreased by a number q minus a number k times a number p less than 41

6 6 of 12 2/23/2009 4:28 PM = = 736 Key # = = h + 35 = x = = 33 + g = d = m a + 41 = e = = 97 + v c = Rule: e = m + 8 Input m e 54. Rule: y = z 4 Input z y

7 7 of 12 2/23/2009 4:28 PM Answer Key Key #1 Write an equation for each problem. Then solve the equation. 1. The difference between 70 and a number is n = 66 n = 4 3. A number multiplied by 3 is 18. 3n = 18 n = divided by a number is n = 3 n = 8 2. A number minus 13 is 1. n - 13 = 1 n = A number plus 45 is 100. n + 45 = 100 n = Twelve times a number is n = 120 n = 10 Complete by evaluating each expression 7. (98 n - 1) n for n=7 for n= (n - 2 5) for n= n - 4 for n= n for n= n - 1 for n=18 1, = 52 - g g = z = 62 z = = u - 35 u = = x - 10 x = = 84 - h h = e = 35 e = q - 54 = 43 q = y - 57 = 5 y = = c - 16 c = 88

8 8 of 12 2/23/2009 4:28 PM Answer Key Key #1 Simplify ( ) = = (80-2) ( ) = 6, (5-4) 14 7 = Rule: w = j + 24 Input j w Rule: f = k 9 Input k f Express each phrase as an algebraic expression. 34. product of a number p and quotient of a number t and 16 13p t a number a times 17 17a 38. difference of a number b and 33 b a number s multiplied by 4 4s less than a number m m - 26

9 9 of 12 2/23/2009 4:28 PM Answer Key Key # = = = = n = 145 n = = s + 27 s = = 82 + a a = = 23 + f f = x + 3 = 13 x = = w + 48 w = d + 42 = 91 d = j = 106 j = = 80 + h h = Rule: u = t - 45 Input t u Rule: g = 5p Input p g

10 10 of 12 2/23/2009 4:28 PM Answer Key Key #2 Write an equation for each problem. Then solve the equation. 1. A number divided by 10 is 12. n 10 = 12 n = divided by a number is n = 8 n = 3 5. Eleven times a number is n = 77 n = 7 2. The difference between 77 and a number is n = 34 n = A number plus 94 is 182. n + 94 = 182 n = plus a number is n = 130 n = 85 Complete by evaluating each expression 7. 6 (4 + n) 8. n for n=47 for n=65 3, (n - 4) + 11 for n= n 9 5 for n= n for n= (55 - n) + 39 for n= c - 83 = 11 c = = v - 17 v = = m - 21 m = k = 37 k = q = 17 q = z = 23 z = = 86 - y y = = b - 60 b = r - 46 = 29 r = 75

11 11 of 12 2/23/2009 4:28 PM Answer Key Key #2 Simplify (35 7) = (5 48) 1 - (2 + 39) = = (3 38) - 2 = Rule: t = 45 t Input y t Rule: s = f 9 Input f s Express each phrase as an algebraic expression. 34. a number z increased by sum of 49 and a number w z w 36. a number j decreased by 31 j a number k times 24 24k 37. a number q minus 42 q a number p less than p

12 12 of 12 2/23/2009 4:28 PM Answer Key Key # = = = = h + 35 = 108 h = = d + 89 d = e = 138 e = x = 118 x = = m + 36 m = = 97 + v v = = 33 + g g = a + 41 = 90 a = c = 119 c = Rule: e = m + 8 Input m e Rule: y = z 4 Input z y