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Questions tagged 'Direct Variation'

2 questions

If a varies directly as b, and a = 28 when b = 7, find b when a = 5?

If variable ( a ) varies directly as variable ( b ), and we know that ( a = 28 ) when ( b = 7 ), how can we determine the value of ( b ) when ( a = 5 )?

how would you graph y = -1.5x?

How can I graph the equation y = -1.5x? Additionally, I have created a direct variation equation for y = 7.5 when x = -5. Could you provide guidance on how to approach this problem and clarify the rel...