Complete Investigation 1 on pages 374–375 of the textbook. You can skip parts of questions that mention vectors (so, you can skip parts of questions that show vector notation, like \(\begin{pmatrix}\ldots\\ \ldots \end{pmatrix}\), which we haven’t covered).

## 9 Extended: Graphs of Quadratic Functions

Complete the following questions before our next class.

Exercise 20B.1 questions 1 and 2

## 9 Extended: Quadratic Functions

Complete the following questions before our next class.

Exercise 20A questions 1–9

## 9 Extended: Problem Solving with the Quadratic Formula

Complete the following questions before our next class.

Exercise 12D questions 2, 4, 5, 7, 8, 9a, 20 (the last one is challenging!)

## 9 Extended: The Quadratic Formula

Complete the following questions before Friday’s class.

- Complete Exercise 12C question 1.
- Use the quadratic formula to solve \(x^2-6x-12=0\) (the question we had on the board at the end of our last class).

## 9 Extended: Factoring Practice

Complete the following factoring exercises before our next class. (This is our last set of questions on factoring!).

Exercise 3G questions 1–3

## 9 Extended: Factoring Quadratics

Complete the following questions before Friday’s class.

Exercise 3F questions 2 and 4

## 9 Extended: Further Factoring

Complete the following questions before our next class. Note that these will all involve the “*p*, *q*” method, once you factor out any common factors.

Exercise 3E questions 4 and 5

## 9 Extended: Factoring Quadratics

Complete the following questions before our next class.

Exercise 3E questions 1–3

Exercise 3C.3 question 1abcdef

## 9 Extended: Factoring

Complete the following questions before our next class.

Exercise 3C.1 questions 2–4 and 5acegi

Exercise 3C.2 questions 1–3