Name: ______________________________ Pre-Calculus Honors Select Chapter 7 Review Exercises * (This does not include sections 7.1-7.3 – Make sure you look over your notes, classwork/homework, reviews, & quizzes from this Chapter) * 1. Find the discriminant, and use it to classify the conic section. a) 109𝑥 2 − 70√3𝑥𝑦 + 39𝑦 2 − 144 = 0 b) 𝑥 2 + 2√3𝑥𝑦 − 𝑦 2 − 18 = 0 2. Write the parametric equations in rectangular form. State any restrictions on the domain. 3𝑡 𝑥 = √6𝑡 and 𝑦 = − 2 3. Write in rectangular form. Then graph. 𝑥 = −2 cos 𝜃 and 𝑦 = sin 𝜃 4. Write the parametric equations in rectangular form. State any restrictions on the domain. THEN, sketch a graph using a table of values. 𝑥 = 1 + √𝑡 and 𝑦 = 𝑡 2 − 4𝑡