1. Pre-Algebra Bellwork 2/6/12 – 2/10/12

2. Bellwork 2/6/12 You have 6 red marbles, 3 blue, 5 green, 2 yellow, and 4 orange. Find the probability WITHOUT replacing. 1) P(red, blue) 2) P(red, red) 3) P(blue, red, yellow) 4) P(blue, blue, green)

3. Bellwork 2/7/12 You have 6 red marbles, 3 blue, 5 green, 2 yellow, and 4 orange. Find the probability WITHOUT replacing. 1) P(green, green) 2) P(yellow, red) 3) P(yellow, yellow, yellow) 4) P(orange, blue, orange)

4. Bellwork 2/8/12 Find the x- and y- intercepts of each equation. 1) 7x + y = 7 2) 2x + 3y = 12 3) -3x + 6y = 6 4) 3x – y = -15

5. Bellwork 2/9/12 You have a bag with 2 purple marbles and 3 orange marbles. 1) Find the probability of drawing a purple first round, NOT replacing, then an orange second round. 2)Find the probability of drawing an orange first round, replacing it, then another orange.

6. Bellwork 2/10/12 Put in slope intercept form. y = mx + b 1) 2x – 2y = 4 2) -x – y = 3 3) 4x + y = 12 4) 3x + 3y = 12