NC MATH TWO REVIEW LET’S REVIEW SOME NCFE TYPE QUESTIONS!
Distribute the -2/3 to everything in the parantheses. Use the power to a power rule, which means MULTIPLY the exponents.
Simplify the exponents that you can and move negative exponents to the denominator.
Let’s use completing the square! 1. Factor out leading coefficient: 2. Find the perfect square trinomial. Take half of the coefficient of the xterm and square it. 3. Place the value from step 2 in the box. 4. Simplify and convert the left side to a squared expression. 5. Set equal to 0.
Draw a tree diagram! I multiply .60 * .15 to get this:
I multiply .60 * .85 to get this:
I multiply .40* .08 to get this:
I multiply .40* .92 to get this: