[Math Center] 1. Quantity A Quantity B  The sum of the odd integers from [latex]1[latex] to [latex]199[latex] The sum of the even integers from [latex]2[latex] to [latex]198[latex] 2. The sequence of numbers [latex]{ a }_{ 1 },{ a }_{ 2 },{ a }_{ 3 }[latex]… [latex]{ a }_{ n }[latex].. is deīŦned by [latex]{ a }_{ n }=\frac{ […]
Category: MC2: Algebra
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[Math Center] 1. [latex]{ x }^{ 2 }y>0[latex] [latex]x{ y }^{ 2 }<0[latex] Quantity A Quantity B [latex]x[latex] [latex]y[latex] 2. On the number line shown above, the tick marks are equally spaced. Which of the following statements about the numbers [latex]x, y[latex], and [latex]z[latex] must be true? Indicate all such statements. (A) [latex]xyz<0[latex] (B) […]
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[Math Center] 1. Ashley and Beatrice received the same score on a physical fitness test. The scores for this test, [latex]t[latex], are determined by the formula [latex]t=3ps-25m[latex] where [latex]s[latex] and [latex]p[latex] are the numbers of sit-ups and push-ups the athlete can do in one minute and [latex]m[latex] is the number of minutes she takes to […]
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[Math Center] 1. [latex]y ={ 2x }^{ 2 } +7x-3[latex] Quantity A Quantity B [latex]x[latex] [latex]y[latex] 2. [latex]\frac{ 1-x }{ x-1 }=\frac{ 1 }{ x }[latex] Quantity A Quantity B [latex]x[latex] [latex]-\frac{ 1 }{ 2 }[latex] 3. [latex](x+3)(y-4)=0[latex] Quantity A Quantity B [latex]xy[latex] [latex]-12[latex] 4. If both expressions [latex]{ x }^{ 2 }-3x+2[latex] […]
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[Math Center] 1. If [latex]1+x+{ x }^{ 2 }+{ x }^{ 3 }=60[latex] then the average (arithmetic mean) of [latex]x,{ x }^{ 2 },{ x }^{ 3 },{ x }^{ 4 }[latex] is equal to which of the following? A [latex]12x[latex] B [latex]15x[latex] C [latex]20x[latex] D [latex]30x[latex] E [latex]60x[latex] 2. [latex]0 […]
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[Math Center] 1. If [latex]2x=3y=4z=20[latex], then [latex]12xyz=[latex] A [latex]16,000[latex] B [latex]8,000[latex] C [latex]4,000[latex] D [latex]800[latex] E [latex]10[latex] 2. [latex]0<x<y<1[latex] Quantity A Quantity B [latex]1-y[latex] [latex]y-x[latex] 3. [latex]st=\sqrt { 10 }[latex] Quantity A Quantity B [latex]{ s }^{ 2 }[latex] [latex]{ t }^{ 2 }[latex] 4. [latex]x <1[latex] [latex]x[latex]â [latex]0[latex] Quantity […]
ã2.1.aãVariables related basics
 [Math Center Home] [āĻ¨ā§āĻāĻ āĻāĻ āĻāĻ°ā§āĻāĻŋāĻā§āĻ˛āĻāĻŋ (2) Algebra āĻŦāĻŋāĻāĻžāĻā§āĻ°Â āĻ āĻ§ā§āĻ¨ā§Â ã1ãAlgebra āĻā§āĻ¯āĻžāĻĒā§āĻāĻžāĻ°ā§āĻ° āĻ āĻ¨ā§āĻ¤āĻ°ā§āĻāĻ¤, āĻ¯āĻžÂ ã2.1.aãāĻāĻŋāĻšā§āĻ¨ āĻĻāĻŋā§ā§ āĻĒā§āĻ°āĻāĻžāĻļ āĻāĻ°āĻž āĻšā§ā§āĻā§] ã2.1.aãVariables related basics Algebraic Translations āĻŦāĻŋāĻāĻŋāĻ¨ā§āĻ¨ āĻĒāĻ°ā§āĻā§āĻˇāĻžāĻ° āĻŽā§āĻ¯āĻžāĻĨ āĻ¸ā§āĻāĻļāĻ¨ā§ āĻĒāĻžāĻāĻŋāĻāĻŖāĻŋāĻ¤ āĻāĻžāĻ¤ā§ā§ āĻ āĻ¨ā§āĻ āĻ āĻā§āĻ āĻāĻ¸ā§ āĻ¯ā§āĻā§āĻ˛ā§ āĻ āĻ¨ā§āĻ āĻ¸āĻŽā§ algebraic equation āĻāĻ° āĻāĻžāĻˇāĻžā§ āĻ āĻ¨ā§āĻŦāĻžāĻĻ āĻāĻ°āĻžāĻ° āĻĻāĻ°āĻāĻžāĻ° āĻšā§āĨ¤ āĻ¯ā§āĻŽāĻ¨, âāĻĻā§āĻ āĻ āĻāĻā§āĻ° āĻāĻāĻāĻŋ āĻ¸āĻāĻā§āĻ¯āĻž āĻ¸ā§āĻĨāĻžāĻ¨ āĻŦāĻŋāĻ¨āĻŋāĻŽā§ āĻāĻ°āĻ˛ā§â āĻŦāĻžāĻā§āĻ¯ āĻĨā§āĻā§ āĻāĻŽāĻ°āĻž āĻ§āĻ°ā§ āĻ¨āĻŋāĻ¤ā§ āĻĒāĻžāĻ°āĻŋ […]
ã2.4.aãāĻĢāĻžāĻāĻļāĻ¨ āĻāĻŦāĻ āĻāĻ° āĻ¸āĻžāĻĨā§ āĻ¸āĻŽā§āĻĒāĻ°ā§āĻāĻŋāĻ¤ āĻŦāĻŋāĻāĻŋāĻ¨ā§āĻ¨ āĻŦāĻŋāĻˇā§āĻžāĻĻāĻŋ
[Math Center Home] [āĻ¨ā§āĻāĻ āĻāĻ āĻāĻ°ā§āĻāĻŋāĻā§āĻ˛āĻāĻŋ (2) Algebra āĻŦāĻŋāĻāĻžāĻā§āĻ°Â āĻ āĻ§ā§āĻ¨ā§Â ã4ãFunctions āĻā§āĻ¯āĻžāĻĒā§āĻāĻžāĻ°ā§āĻ° āĻ āĻ¨ā§āĻ¤āĻ°ā§āĻāĻ¤, āĻ¯āĻžÂ ã2.4.aãāĻāĻŋāĻšā§āĻ¨ āĻĻāĻŋā§ā§ āĻĒā§āĻ°āĻāĻžāĻļ āĻāĻ°āĻž āĻšā§ā§āĻā§] ã2.4.aãāĻĢāĻžāĻāĻļāĻ¨ āĻāĻŦāĻ āĻāĻ° āĻ¸āĻžāĻĨā§ āĻ¸āĻŽā§āĻĒāĻ°ā§āĻāĻŋāĻ¤ āĻŦāĻŋāĻāĻŋāĻ¨ā§āĻ¨ āĻŦāĻŋāĻˇā§āĻžāĻĻāĻŋ FUNCTIONS āĻŦāĻŋāĻˇā§āĻ āĻ¸āĻŽāĻ¸ā§āĻ¯āĻžāĻā§āĻ˛ā§ āĻ āĻ¨ā§āĻāĻāĻž āĻāĻ¤āĻŋāĻĒā§āĻ°ā§āĻŦā§ āĻāĻ˛ā§āĻāĻ¨āĻž āĻāĻ°āĻžÂ sequence problem -āĻ° āĻŽāĻ¤ā§āĻāĨ¤ āĻāĻĻā§āĻ°āĻā§ āĻ¸āĻžāĻ§āĻžāĻ°āĻŖāĻ¤āĻ āĻāĻāĻ°ā§āĻāĻŋ āĻ āĻā§āĻˇāĻ° [latex]f()[latex] āĻŦāĻž [latex]g()[latex] āĻ āĻĨāĻŦāĻž āĻ āĻ¨ā§āĻ¯ āĻā§āĻ¨ āĻ āĻā§āĻˇāĻ°ā§āĻ° āĻĒāĻžāĻļā§ āĻāĻāĻāĻŋ āĻŦā§āĻ°āĻžāĻā§āĻā§āĻ° āĻŽāĻ§ā§āĻ¯ā§ variable [latex]x[latex] āĻā§ āĻŦāĻ¸āĻŋā§ā§ āĻāĻŦāĻ āĻ¤āĻžāĻ° āĻĄāĻžāĻ¨ […]
ã2.5.aãāĻ āĻ¸āĻŽāĻ¤āĻž āĻŦāĻŋāĻˇā§āĻ āĻāĻ˛ā§āĻāĻ¨āĻž
[Math Center Home] [āĻ¨ā§āĻāĻ āĻāĻ āĻāĻ°ā§āĻāĻŋāĻā§āĻ˛āĻāĻŋ (2) Algebra āĻŦāĻŋāĻāĻžāĻā§āĻ°Â āĻ āĻ§ā§āĻ¨ā§Â ã5ãInequality āĻā§āĻ¯āĻžāĻĒā§āĻāĻžāĻ°ā§āĻ° āĻ āĻ¨ā§āĻ¤āĻ°ā§āĻāĻ¤, āĻ¯āĻžÂ ã2.5.aãāĻāĻŋāĻšā§āĻ¨ āĻĻāĻŋā§ā§ āĻĒā§āĻ°āĻāĻžāĻļ āĻāĻ°āĻž āĻšā§ā§āĻā§] ã2.5.aãāĻ āĻ¸āĻŽāĻ¤āĻž āĻŦāĻŋāĻˇā§āĻ āĻāĻ˛ā§āĻāĻ¨āĻž Equations āĻāĻ° āĻā§āĻˇā§āĻ¤ā§āĻ°ā§ āĻĻā§āĻāĻāĻŋ āĻāĻŋāĻ¨ā§āĻ¨ āĻ°āĻžāĻļāĻŋāĻ° āĻŽāĻ§ā§āĻ¯ā§ āĻ¸āĻŽāĻ¤āĻž āĻāĻŋāĻšā§āĻ¨ (=) āĻŦā§āĻ¯āĻŦāĻšā§āĻ¤ āĻšā§āĨ¤ āĻāĻ° āĻĒāĻ° āĻ¸ā§āĻāĻžāĻ¨ā§ āĻā§āĻ¨ variable āĻĨāĻžāĻāĻ˛ā§ āĻ¤āĻžāĻ° āĻŽāĻžāĻ¨ āĻāĻŽāĻ°āĻž āĻŦā§āĻ° āĻāĻ°āĻŋāĨ¤Â inequalities āĻāĻ°Â āĻā§āĻˇā§āĻ¤ā§āĻ°ā§ āĻ¸āĻŽāĻ¤āĻž āĻāĻŋāĻšā§āĻ¨ āĻŦā§āĻ¯āĻŦāĻšā§āĻ¤ āĻšā§ āĻ¨āĻž, āĻāĻŋāĻ¨ā§āĻ¤ā§ āĻŦā§āĻšāĻ¤ā§āĻ¤āĻ° (greater than) āĻŦāĻž āĻā§āĻˇā§āĻĻā§āĻ°āĻ¤āĻ° (smaller […]
ã2.6.aãāĻ¸āĻŽāĻžāĻ¨ā§āĻ¤āĻ° āĻāĻŦāĻ āĻā§āĻŖā§āĻ¤ā§āĻ¤āĻ° āĻ§āĻžāĻ°āĻž
[Math Center Home] [āĻ¨ā§āĻāĻ āĻāĻ āĻāĻ°ā§āĻāĻŋāĻā§āĻ˛āĻāĻŋ (2) Algebra āĻŦāĻŋāĻāĻžāĻā§āĻ°Â āĻ āĻ§ā§āĻ¨ā§Â ã6ãSeries and Sequences āĻā§āĻ¯āĻžāĻĒā§āĻāĻžāĻ°ā§āĻ° āĻ āĻ¨ā§āĻ¤āĻ°ā§āĻāĻ¤, āĻ¯āĻžÂ ã2.6.aãāĻāĻŋāĻšā§āĻ¨ āĻĻāĻŋā§ā§ āĻĒā§āĻ°āĻāĻžāĻļ āĻāĻ°āĻž āĻšā§ā§āĻā§] ã2.6.aãāĻ¸āĻŽāĻžāĻ¨ā§āĻ¤āĻ° āĻāĻŦāĻ āĻā§āĻŖā§āĻ¤ā§āĻ¤āĻ° āĻ§āĻžāĻ°āĻž FORMULAS Formulas are another means by which the your ability is tasted to work with unknowns. Formulas are specific equations that can involve multiple variables. There are [latex]3[latex] major types of Formula problems […]
ã2.3.aãāĻĻā§āĻŦāĻŋāĻāĻžāĻ¤ āĻ¸āĻŽā§āĻāĻ°āĻŖ āĻāĻŦāĻ āĻ¤āĻž āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ā§āĻ° āĻŦāĻŋāĻāĻŋāĻ¨ā§āĻ¨ āĻāĻĒāĻžā§
[Math Center Home] [āĻ¨ā§āĻāĻ āĻāĻ āĻāĻ°ā§āĻāĻŋāĻā§āĻ˛āĻāĻŋ (2) Algebra āĻŦāĻŋāĻāĻžāĻā§āĻ°Â āĻ āĻ§ā§āĻ¨ā§Â ã3ãQuadratic Equations āĻā§āĻ¯āĻžāĻĒā§āĻāĻžāĻ°ā§āĻ° āĻ āĻ¨ā§āĻ¤āĻ°ā§āĻāĻ¤, āĻ¯āĻžÂ ã2.3.aãāĻāĻŋāĻšā§āĻ¨ āĻĻāĻŋā§ā§ āĻĒā§āĻ°āĻāĻžāĻļ āĻāĻ°āĻž āĻšā§ā§āĻā§] ã2.3.aãāĻĻā§āĻŦāĻŋāĻāĻžāĻ¤ āĻ¸āĻŽā§āĻāĻ°āĻŖ āĻāĻŦāĻ āĻ¤āĻž āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ā§āĻ° āĻŦāĻŋāĻāĻŋāĻ¨ā§āĻ¨ āĻāĻĒāĻžā§ āĻāĻ āĻ¨āĻāĻ°ā§ āĻāĻ āĻ āĻ§ā§āĻ¯āĻžā§ā§āĻ° āĻ¸ā§āĻ¤ā§āĻ°āĻ¸āĻŽā§āĻš: [latex]a{ x }^{ 2 }+bx+c=0[latex] āĻāĻāĻžāĻ°ā§āĻ° āĻ¸āĻŽā§āĻāĻ°āĻ¨āĻā§ āĻĻā§āĻŦāĻŋāĻāĻžāĻ¤ āĻ¸āĻŽā§āĻāĻ°āĻŖ āĻŦāĻ˛ā§āĨ¤ solution of this equation is: [latex]\frac { -b\pm \sqrt { { b }^{ 2 }-4ac } […]
ã2.2.aãāĻ¸āĻŽā§āĻāĻ°āĻŖ, āĻ¸ā§āĻāĻ āĻĒā§āĻ°āĻā§āĻ¤āĻŋ āĻŦāĻŋāĻˇā§āĻ āĻāĻ˛ā§āĻāĻ¨āĻž
[Math Center Home] [āĻ¨ā§āĻāĻ āĻāĻ āĻāĻ°ā§āĻāĻŋāĻā§āĻ˛āĻāĻŋ (2) Algebra āĻŦāĻŋāĻāĻžāĻā§āĻ°Â āĻ āĻ§ā§āĻ¨ā§Â ã2ãExponents in Equation āĻā§āĻ¯āĻžāĻĒā§āĻāĻžāĻ°ā§āĻ° āĻ āĻ¨ā§āĻ¤āĻ°ā§āĻāĻ¤, āĻ¯āĻžÂ ã2.2.aãāĻāĻŋāĻšā§āĻ¨ āĻĻāĻŋā§ā§ āĻĒā§āĻ°āĻāĻžāĻļ āĻāĻ°āĻž āĻšā§ā§āĻā§] ã2.2.aãāĻ¸āĻŽā§āĻāĻ°āĻŖ, āĻ¸ā§āĻāĻ āĻĒā§āĻ°āĻā§āĻ¤āĻŋ āĻŦāĻŋāĻˇā§āĻ āĻāĻ˛ā§āĻāĻ¨āĻž āĻāĻ āĻ¨āĻāĻ°ā§ āĻāĻ āĻ āĻ§ā§āĻ¯āĻžā§ā§āĻ° āĻ¸ā§āĻ¤ā§āĻ°āĻ¸āĻŽā§āĻš âĸ Exponents āĻŦāĻž āĻ¸ā§āĻāĻ āĻ¯āĻĻāĻŋ āĻā§ā§ āĻ¸āĻāĻā§āĻ¯āĻž āĻšā§ āĻ¤āĻŦā§ āĻ¸ā§āĻ equation āĻāĻ° āĻĻāĻāĻāĻŋ solution āĻĨāĻžāĻā§āĨ¤ (āĻāĻŋāĻ¨ā§āĻ¤ā§ āĻŦā§āĻ¯āĻ¤āĻŋāĻā§āĻ°āĻŽ āĻāĻžā§āĻž) âĸ Negative āĻ¸āĻāĻā§āĻ¯āĻžāĻ°Â square root āĻ¨āĻŋāĻ˛ā§ āĻāĻžāĻ˛ā§āĻĒāĻ¨āĻŋāĻ āĻ¸āĻāĻā§āĻ¯āĻž āĻĒāĻžāĻā§āĻž āĻ¯āĻžā§āĨ¤ âĸ ODD exponents āĻšāĻ˛ā§ […]