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Algebraic Expressions

Class 9 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsIf (a_n=18-6n), what is (a_5)?Class 9Sequences and Progressionsnth termLevel 58Medium MathematicsIn a sequence, each term is 5 more than twice its position number. Which is the correct nth term of the sequence?Class 9Sequences and Progressionsnth termLevel 60Easy MathematicsWhich of the following sequences has the nth term \(a_n=4n-3\)?Class 9Sequences and Progressionsnth termLevel 60Easy MathematicsWhat is the (n)th term of the sequence (7,14,21,28,\ldots)?Class 9Sequences and Progressionsnth termLevel 56Medium MathematicsA student writes the nth term of the arithmetic progression 18, 14, 10, ... as \(18-4n\). Which expression correctly fixes the error?Class 9Sequences and Progressionsnth termLevel 56Medium MathematicsIf (a_n=(2n-1)^2+2), what is the value of (a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Hard MathematicsWhich of the following general rules represents the nth term of the sequence 4, 7, 10, 13, ...?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48Medium MathematicsWhich explicit rule represents a sequence in which each term is obtained by subtracting 1 from three times its term number?Class 9Sequences and ProgressionsExplicit or general ruleLevel 52Easy MathematicsIf (a_n=n^3+n), what is (a_4)?Class 9Sequences and ProgressionsSequencesLevel 42Hard MathematicsWhat will (a_6) be for the rule (a_n=n^2+4n)?Class 9Sequences and ProgressionsSequencesLevel 43Medium MathematicsWhat will (a_5) be for the rule (a_n=n^2+3n)?Class 9Sequences and ProgressionsSequencesLevel 42Medium MathematicsIf (a_n=2n^2-1), what is (a_5)?Class 9Sequences and ProgressionsSequencesLevel 41Medium MathematicsIf (A(t)=70+9t) and (B(t)=118+5t), at what (t) will (A(t)) be (8) more than (B(t))?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Expert MathematicsIf (p(x)=60+9x) and (q(x)=14x-10), when will (p(x)) and (q(x)) be equal?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Expert MathematicsIf (y=255-14x), which value of (x) makes (y) equal to (3x)?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Expert MathematicsIf (A(t)=280-13t) and (B(t)=65+5t), when will (A(t)) be (17) more than (B(t))?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Expert MathematicsA quantity has an initial value of 500 and decreases at a constant rate of 12 per unit time. Which polynomial represents this linear decay?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Expert MathematicsIf (D(t)=340-kt) and (D(6)-D(14)=128), what is (k)?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Expert MathematicsIf (C(t)=55+kt) and (C(12)-C(5)=105), what is (k)?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Expert MathematicsWhen will the two models (A(t)=64+9t) and (B(t)=184-6t) be equal?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Expert