For each quadratic equation below, predict which factoring method would be the best choice to use, then solve each equation using 3 different factoring methods. Lastly, explain which method WAS the best choice.
A. x^2 + 4x -21
B. x^2 - 8x +13

Are carpet coast $15 per square metre. the total delivery charge is $21 peter buys n squared metres of carpet what is the expression which represents the total cost in $

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the