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

MathematicsIf in (y=220+ax), (y) increases by (144) from (x=9) to (x=17), what is (a)?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Expert MathematicsWhich of the following relations shows that y decreases by 8 units for every 1-unit increase in x, with a linear change?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Expert MathematicsA quantity is represented by \(P(x)=a+bx\), where it changes linearly as \(x\) increases. Which condition on \(b\) is necessary for linear decay?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Expert MathematicsWhich of the following linear polynomials shows that the quantity decreases at a constant rate as x increases?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Expert MathematicsWhich of the following linear polynomials represents a situation in which the value of the polynomial decreases by 7 units for every increase of 1 unit in x?Class 9Introduction to PolynomialsLinear growth and decayLevel 36Expert MathematicsWhich of the following linear polynomials shows a decrease in its value at a constant rate as x increases?Class 9Introduction to PolynomialsLinear growth and decayLevel 36Expert MathematicsWhich of the following polynomials represents linear decay of a quantity as x increases?Class 9Introduction to PolynomialsLinear growth and decayLevel 36Expert MathematicsIf in (y=150+ax), (y) increases by (104) from (x=7) to (x=15), what is (a)?Class 9Introduction to PolynomialsLinear growth and decayLevel 35Expert MathematicsWhich polynomial represents a quantity with an initial value of 15 that decreases linearly at a constant rate of 7 per unit time?Class 9Introduction to PolynomialsLinear growth and decayLevel 35Expert MathematicsWhich of the following equations represents a linear model with an initial value of 18, in which y decreases by 2.5 units for every 1-unit increase in x?Class 9Introduction to PolynomialsLinear growth and decayLevel 35Expert MathematicsWhich of the following equations shows that y decreases at a constant rate whenever x increases by 1 unit?Class 9Introduction to PolynomialsLinear growth and decayLevel 38Hard MathematicsWhich linear polynomial represents a quantity that decreases at a constant rate as the independent variable increases and has an initial value of 180?Class 9Introduction to PolynomialsLinear growth and decayLevel 38Hard MathematicsWhen \(x\) increases by equal intervals, which of the following polynomials represents linear decay of a quantity?Class 9Introduction to PolynomialsLinear growth and decayLevel 38Hard MathematicsWhich of the following relations shows that y decreases by a constant amount whenever x increases by 1 unit?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard MathematicsWhich of the following expressions represents the linear decay of a quantity with time?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard MathematicsWhich of the following equations shows that y decreases linearly at a constant rate as x increases?Class 9Introduction to PolynomialsLinear growth and decayLevel 37Hard MathematicsIf in (y=70+ax), (y) increases by (35) from (x=4) to (x=9), what is (a)?Class 9Introduction to PolynomialsLinear growth and decayLevel 36Hard MathematicsWhich of the following polynomials represents linear decay with an initial value of 240 and a decrease of 8 for every increase of 1 in x?Class 9Introduction to PolynomialsLinear growth and decayLevel 36Hard MathematicsIn a polynomial \(P(x)=a+bx\) representing linear decay, which condition is necessary for the quantity to decrease as \(x\) increases?Class 9Introduction to PolynomialsLinear growth and decayLevel 36Hard MathematicsWhich of the following linear polynomials represents a quantity that decreases at a constant rate as x increases?Class 9Introduction to PolynomialsLinear growth and decayLevel 36Hard