missing $ and updated random values

Author: brittnilorton

Contrib/CCCS/CollegeAlgebra/6.1/CCD_CCCS_Openstax_AlgTrig_AT-1-001-AS_6_1_45.pg

@@ -3,9 +3,9 @@
 ## ENDDESCRIPTION
 
 
-## DBsubject(Algebra)
-## DBchapter(Exponential and logarithmic expressions and functions)
-## DBsection(Exponential functions)
+## DBsubject()
+## DBchapter()
+## DBsection()
 ## Date(06/16/2017)
 ## Institution(Colorado Community College System)
 ## Author(James Morski)
@@ -38,9 +38,10 @@ $showPartialCorrectAnswers = 1;
 Context("Numeric");
 
 $a=random(2,5);
-$b=non_zero_random(-5,5,1);
-$c = non_zero_random(-2,3,1);
-$d=non_zero_random(-5,5,1);
+do{$b=non_zero_random(-5,5,1);
+$c = non_zero_random(-5,5,1);
+$d=non_zero_random(-5,5,1);}
+until( $a**($b*$d+$c) < 1000000 and $a**($b*$d+$c)>0.000001);
 
 $f=Formula("$a**($b*x+$c)")->reduce;
 
@@ -60,8 +61,6 @@ Context()->flags->set(showMixedNumbers=>0);
 Context()->flags->set(requirePureFractions=>1);
 $ans=Compute("$answer");
 
-
-
 ###########################
 #  Main text
 

Contrib/CCCS/PreCalculus/6.1/CCD_CCCS_Openstax_AlgTrig_AT-1-001-AS_6_1_45.pg

@@ -38,9 +38,10 @@ $showPartialCorrectAnswers = 1;
 Context("Numeric");
 
 $a=random(2,5);
-$b=non_zero_random(-5,5,1);
-$c = non_zero_random(-2,3,1);
-$d=non_zero_random(-5,5,1);
+do{$b=non_zero_random(-5,5,1);
+$c = non_zero_random(-5,5,1);
+$d=non_zero_random(-5,5,1);}
+until( $a**($b*$d+$c) < 1000000 and $a**($b*$d+$c)>0.000001);
 
 $f=Formula("$a**($b*x+$c)")->reduce;
 
@@ -60,8 +61,6 @@ Context()->flags->set(showMixedNumbers=>0);
 Context()->flags->set(requirePureFractions=>1);
 $ans=Compute("$answer");
 
-
-
 ###########################
 #  Main text
 

Contrib/CCCS/PreCalculus/6.3/CCD_CCCS_Openstax_AlgTrig_AT-1-001-AS_6_3_23_sup1.pg

@@ -43,7 +43,7 @@ install_problem_grader(~~&std_problem_grader);
 
 # Two random integer to grab letters
 $n1 = random(0,10,1);
-do{$n2 = random(0,10,1)} until ($n2 != n1);
+do{$n2 = random(0,10,1)} until ($n2 != $n1);
 
 
 $root = $letter[$n1];

Contrib/CCCS/PreCalculus/6.3/CCD_CCCS_Openstax_AlgTrig_AT-1-001-AS_6_3_25_sup1.pg

@@ -43,7 +43,7 @@ install_problem_grader(~~&std_problem_grader);
 
 # Two random integer to grab letters
 $n1 = random(0,10,1);
-do{$n2 = random(0,10,1)} until ($n2 != n1);
+do{$n2 = random(0,10,1)} until ($n2 != $n1);
 
 
 $root = $letter[$n1];