Question

name: adding and subtracting radical expressions question 1: simplify the radical expression shown below by adding and/or subtracting. 3√5 + 6√5 - √5 question 2: simplify the radical expression shown below by adding and/or subtracting. 2√3{2} + 5√3{16} question 3: determine the perimeter of the triangle. question 4: which figure has the greater perimeter? question 5: lindsay is purchasing fencing to go around each of the figures shown. if the fencing costs $0.25 per foot, how much will she pay for each?

Explanation:

Step1: Combine like terms

$$3\sqrt{5}+6\sqrt{5}-\sqrt{5}=(3 + 6-1)\sqrt{5}$$

Step2: Calculate the coefficient

$$(3 + 6-1)=8$$

Answer:

$$8\sqrt{5}$$