A1 Test 2 study guide with answers 2011

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A1 Test 2 study guide with answers 2011

  1. 1. Algebra 1<br />Test 2 Study Guide with answers<br />Graph the inequality on a number line.<br />1.b≤2.4<br />91440018542000<br />2.a≥7.5<br />411480015811500<br />3.y<-8.3<br />91440018097500<br />Write the inequality represented by the graph.<br />4.<br />x<-5<br />5.<br />x≤-7<br />Solve the inequality and graph solution on a number line.<br />6.-54x>-5<br />x<4<br />017843500<br />7.15x>8<br />x>815<br />19431002368550<br />8.-5x+1≤11<br />x≥-2<br />1485900149860<br />9.3-2x≤9<br />x≥-3<br />1257300172720<br />10.7<12x+4<br />6<x<br />114300232410<br />Solve the compound inequality and graph solution on a number line.<br />11.3a>6 or 4a+4≤12<br />all real numbers<br />12.5b+2≤22 and 5b≥15<br />b≤4 and b≥3<br />240030022606000<br />13.-7x+6<48 and-9x+9≤36<br />x≥-3<br />1257300248920<br />14.6a≤18 or-8a+9<25<br />all real numbers<br />15.-4b<4 or 4b<12<br />b>-1 or b<3<br />1600200193040<br />16.8z>48 and 7z+3<31<br />no solution<br />Graph the linear inequality on the xy-plane.<br />17.y<2x+1<br />19.y>13x+4<br />21.-y>x+2<br />18.y≤-x-1<br />20.2y≥-4x-6<br />Solve the absolute value equation.<br />22.6x+4=7x+9<br />no solution<br />23.5x+5=6x+2<br />x=3 and x=-3<br />24.8x+6=6x+9<br />x=32 and x=-32<br />25.8x-8=7x+7<br />x=15 and x=-15<br />26.9x-7=10x+2<br />no solution<br />Solve the absolute value inequality and graph solution on a number line.<br />27.2x+1<9<br />x<4 and x>-5<br />9144002628900<br />28.3x-5>10<br />x>5 or x<-53<br />02044702743200204470<br />29.6≥|4-x|<br />-2≤x and 10≥x<br />14859002286000<br />30.|1-2x|≤5<br />x≥-2 and x≤3<br />1485900251460<br />

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