Suppose a jar contains 7 blue and 2 red balls and that two balls are drawn without replacement. Draw a tree diagram for this situation, then find the following probabilities. Enter your answers in the spaces below as decimals, rounded to two decimal places if necessary. The probability that the first draw is blue and the second draw is red: The probability that the one of the draws is blue and the other is red:

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Rate of Change

The relation between two quantities which displays how much greater one quantity is than another is called ratio.

Slope

The change in the vertical distances is known as the rise and the change in the horizontal distances is known as the run. So, the rise divided by run is nothing but a slope value. It is calculated with simple algebraic equations as: