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Algebra Part three Unit 1 Test Review Name ____________ Evaluate each expression. 1) 6 – n when n = 4 2) 20 when k = 2 k 3) 15x – 8 when x = 4 4) 3x 2 4 when x = 4 5) 2( x 1)2 when x = 4 6) 2(4n + 5) when n = 2 7) (5 3)2 2 3 8) 12 – 6 ÷ 2 9) 1 2 62 11) 15 4 32 12) 10) 50 7 32 2 20 12 52 1 Write an expression, equation, or inequality. 13) the sum of a number k and 7 14) 5 less than a number z 15) the quotient of a number k and 12 16) 3 times the square of a number x 17) The product of a number z and 12 is 60. 18) The sum of 13 and a number t is at least 24. 19) The sum of 3 and twice a number k is no more than 15. Check whether the given number is a solution of the equation or inequality. 21) 4 y 2 2 ; 3 20) 3x – 4 = 10 ; 5 22) 2d + 4 < 9d – 7 ; 3 23) Identify the domain and range of the function. Input (x) 2 5 8 11 Output (y) 4 5 6 7 Domain:________________ Range:_________________ 24) Find the range of the function. Then graph the points. y=x+3 Domain: 1, 2, 3, 4 Input (x) Output (y) 25) If you plan on driving 55 miles per hour for 3 and a half hours, how many miles will you drive?