IB Math Studies 1 Exam Review
1. Chocolates in the shape of spheres are sold in boxes of 20, as shown in the diagram below. Each chocolate
has a radius of 1 cm.
a. Find the volume of 1 chocolate.
[2 marks]
b. Write down the volume of 20 chocolates
[1 mark

Warm-Up
1. Find the value ofy when x = 2
y= X2-16X+ 55
2. Find the value of y when x = -3
y=12x2+13x-14
3. Graph y = -(x + 5)2 -1
4. Graph y = 2x2 + 3
Unit 2: Quadratics & Polynomials
Lesson 1: Quadratic Functions
Today we will:
1. graph quadratic functio