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Direct variation equations look like where . There is no added or subtracted constant (the y-intercept is 0). Sort the equations!
All sorted!
Direct Variation
Not Direct
(Other formats)
Because the equation is , when , must also be .
Adjust the y-intercept (b) to make this a direct variation graph!
y-intercept (b)
{{ s2B }}
Perfect! It passes through the origin (0,0).
The constant is the multiplier. If varies directly with , find so that .
Input
Multiplier Machine
Target Output
Yes!
Current output:
Tap the blocks to build the direct variation equation for this situation.
"A car travels miles in hours at a constant speed."
Brilliant! The equation is complete.
Variation Master!
You visualized the graph, calculated the constant , and built direct variation equations like a pro!