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3 sc
3 o$=" "
3 ;"SOFTWARE"
3 ;"Press any key":
3 ;" NEED help? ENTER h "
3 ;" ":
3 00000000000
3 your working? y or n ":
3 Like to see why?
3 Hi there
2 r*x(i)*x(i)+(p+r*q)*x(i)+p*qO
2 f$="r*x(i)*x(i)+(p+r*q)*x(i)+p*q":
2 c$=" "
2 TOTAL INCORRECT: ";v;
2 Let's calculate that:-":
2 CORRECT ANSWER
2 ;"quadratic";
2 "quad ineq":
2 SOLVE THE
2 Quadratic Equations
2 A.Cowley Mar.1983
2 TOTAL CORRECT: ";u;
2 W
2
1 z=(x+s)*qu:
1 w$="y");k;"-";a;"
1 w$="y");a;"
1 w$="y");a*x-b;"<";a;"
1 u$="x"+u$(2
1 t$="x"+t$(2
1 t$;" ";u$;
1 since (";p;" X ";q;")=";p*q;" and ";p;("+"
1 s$=">");-p;" and
1 s$=">");("below"
1 s$=">");" the
1 s$="<");("above"
1 s$="<");("<"
1 s$="<");"
1 s$="<")+("<"
1 s$;"0 ";
1 s$;"0 ":
1 quad ineq
1 qe
1 p$="{"+p$(
1 k=x*(a-b)-1
1 k=(x*(a-b)-1
1 ineq R
1 gr
1 f$="(key in eg: {-2,-1} )"
1 f$="(key in eg: x>2 )"
1 c$=" "
1 a$="RUBBISH"
1 Rose Software
1 Quadratic Inequalities
1 Quadratic Equations
1 Inequalities
1 Educational
1 Created with Ramsoft MakeTZX2w
1 A.Cowley Mar.1983
1 >";(a-b)*x;
1 =? (no more than 2 dec.pl.)":
1 =";-p;" or
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1 <";-k;"+";b:
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1 ;(" IF: "
1 ;"you must also change",,,"the
1 ;"of trial and";
1 ;"inequation";
1 ;"factorise";
1 ;"error, we";
1 ;"equation";
1 ;"at the graph";
1 ;"Your answer:";
1 ;"Your answer:"
1 ;"Your answer: ";a$:
1 ;"WHOSE PRODUCT";
1 ;"WE LOOK FOR";
1 ;"TWO NUMBERS";
1 ;"TOTAL INCORRECT: ";v;
1 ;"TOTAL CORRECT: ";u;
1 ;"THEN ";k;"-";a;"
1 ;"THEN ";a;"
1 ;"SO: ";a*x-b;"+";b;"<";a;"
1 ;"SO ";a-b;"
1 ;"SO ";-a;"
1 ;"Quadratic Inequalities
1 ;"It cuts
1 ;"IS ";p*q;
1 ;"FOR EXAMPLE: if -2
1 ;"AND WHOSE SUM IS ";p+q
1 ;"(the shaded part on the diagram)":
1 ;"(same spaces please)":
1 ;"(function";s$;"0 ";("above"
1 ;" A SKETCH OF ";
1 ;" THE CURVE
1 ;" Inequalities
1 9O Level Maths Revision: Equations & Inequalities - Side B
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1 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000*
1 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
1 -axis, for the values of
1 -4=0 Quadratic Equations
1 -4<0Quadratic Inequalities
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1 +5 Inequalities
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1 );p;")=0";
1 )+(b-x*(a-b))*(qu=1
1 "re-write
1 ";p;" and ";q;
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1 your answer
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1 of the arrow"
1 no.";i;" answer
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1 is a -ve no.":
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1 a=5,b=2,c=-1";
1 WHAT IS THE
1 The solution set is:
1 Solution:
1 So either:
1 SOLUTION:-
1 SOLUTION SET
1 Re-write
1 Quadratic Inequalities
1 Press any key ":
1 More? y or n"
1 Inequalities
1 If a quadratic equation
1 INEQUALITIES
1 IN ORDER TO
1 For example:
1 EXCEPT THAT
1 Change signs and reverse arrow:
1 CORRECT ANS:
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1 ALWAYS DRAW ";
1 2 numbers are
1 SO we can treat inequalities much like equations ";
1 OF
1 9