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If slope and (y)-intercept are equal in (y=(a-2)x+a), what will (a) be?

Answer and explanation

Correct answer: No value of a

Write the equation in slope-intercept form. In (y=(a-2)x+a), the slope is (a-2) and the y-intercept is a. If they were equal, then (a-2=a). Subtracting a from both sides gives (-2=0), which is impossible. Hence, no value of a satisfies the condition. Even for 0, 1, or 2, the slope remains 2 less than the y-intercept. Exam tip: in y=mx+c, the coefficient of x is the slope and the constant term is the y-intercept.

Related tags

PolynomialsIntroduction To PolynomialsSlope-Intercept FormLinear EquationParameter ConditionSlope And Y InterceptMathematicsClass 9 Mcq

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