**PREVIEW IS A REDACTED AND WATERMARKED VERSION, FULL VERSION IS IN THE DOWNLOAD WITH FULL EXAMPLES AND SCAFFOLDS** This powerpoint is on Unit 1 Topic 4 of the 2025 Specialist Maths Syllabus for QLD. It covers the topic of algebra of 2D vectors and covers the following dot points: • Define and use the scalar (dot) product.• a⋅b=|a||b|cos(θ)• (a_1¦a_2 )∙(b_1¦b_2 )=a_1 b_1+a_2 b_2• Apply the scalar product to vectors expressed in Cartesian form. • Examine properties of parallel and perpendicular v