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What is the slope of the graph of the function f(x) = -2x + 4?

Answer and explanation

Correct answer: -2

In the linear form y = mx + c, the coefficient m of x is the slope of the graph. In f(x) = -2x + 4, the coefficient of x is -2, so the slope is -2. Option B, 2, has the wrong sign; a negative slope means that the function decreases as x increases. Exam tip: In a linear function written as y = mx + c, the coefficient of x is the slope.

Related tags

Standard-FunctionsLinear-FunctionSlopeStraight-Line-GraphSlope Of A Line And Angle Between Two LinesStraight LinesMathematicsClass 11 Mcq

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