一、Solving linear equations 1
二、Interpreting linear functions 7
三、linear equation word problem 19
四、Linear inequality word problems 32
五、Graphing linear equations 44
六、Linear function word problems LEVEL 2 58
七、Systems of linear inequalities word problems 68
八、Solving systems of linear equations 93
九、Systems of linear equations word problems 100
十、Solving quadratic equations 105
十一、Interpreting nonlinear expressions 114
十二、Quadratic and exponential word problems 122
十三、Manipulating quadratic and exponential expressions 147
十四、Radicals and rational exponents 164
十五、Radical and rational equations 175
十六、Operations with rational expressions 183
十七、Operations with polynomials 200
十八、Polynomial factors and graphs 206
十九、Nonlinear equation graphs 219
二十、Linear and quadratic systems 245
二十一、Structure in expressions 259
二十二、Isolating Quantities 266
二十三、Function notation 277
二十四、Ratios, rates and proportions LEVEL 3 292
二十五、Percents 300
二十六、Units 312
二十七、Table data 318
二十八、Scatterplots 332
二十九、Key features of graphs 378
三十、Linear and exponential growth 435
三十一、Data inferences 455
三十二、Center, spread, and shape of distributions 460
三十三、Data collection and conclusions 492
三十四、Volume word problems 502
三十五、Right triangle word problems 519
三十六、Congruence and similarity 542
三十七、Right triangle trigonometry 553
三十八、Angles, arc lengths, and trig functions 573
三十九、Circle theorems 580
四十、Circle equation 608
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