University:
College
Course:
College Mathematics
Academic year:

2021
Views:

345

Pages:

2
Author:

StellarStrategist

Algebra 2 Name___________________________________ Chapter 8 Practice Test Date________________ Period____ K Sketch the graph of each function. 1) y = 1 x ⋅2 +2 4 2) y = 3 ⋅ () 1 2 x+1 −2 20 18 18 16 16 14 14 12 12 10 10 8 8 6 6 4 4 2 2 −8 −7 −6 −5 −4 −3 −2 −1 0 −7 −6 −5 −4 −3 −2 −1 0 −2 1 2 3 4 5 6 7 Evaluate each expression. 3) log 4 16 4) log 7 49 2 2 Rewrite each equation in exponential form. 5) log x 31 = y 6) log 225 x y = 31 − 225 1 1 =− 2 15 1 2 = 1 15 Rewrite each equation in logarithmic form. () 1 7) 2 y =x log 1 x = y 2 8) n −8 = 168 log n 168 = −8 1 2 3 4 5 6 Expand each logarithm. 9) log 5 (3 ⋅ 2 2 5 4 6 ) 10) log 3 5 log 5 3 + 10 log 5 2 ( ) 2 11 24 log 3 2 − 6 log 3 11 Condense each expression to a single logarithm. 11) 5 log 5 w + log 5 u 12) 2 log 8 u − 10 log 8 v 2 u log 8 log 5 (w 5 u ) 2 v 10 Solve each equation. 13) log 16 (−5k − 9) = log 16 (5 − 4k) {−14} 15) log 12 n = 1 14) log (72 − 3x) = log ( x 2 − 4x) {9, −8} 16) log r = −2 { } 1 100 {12} 17) 6 log 8 x = 12 18) 5 + log 12 n = 6 {12} {64} 19) log 5 −10x − 5 = −4 { } − 1 2 20) 3 log 7 (b + 4) − 7 = −1 {45}