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If (y=(k-10)x+13) and (y=6x+(k-3)) have equal slopes, what is (k)?

Answer and explanation

Correct answer: 16

In the form \(y=mx+c\), \(m\) is the slope. The first line has slope \(k-10\), while the second has slope \(6\). Since the slopes are equal, \(k-10=6\), so \(k=16\). For example, if \(k=15\), the first slope is 5, not 6. Exam tip: parallel lines have equal slopes; the constant term does not affect slope.

Related tags

Slope Of A LineY-InterceptLinear EquationsParameterCoordinate GeometrySlope And Y InterceptIntroduction To PolynomialsMathematics

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