MAT1511
PRECALCULUS MATHEMATICS B
ASSIGNMENT 01 SOLUTIONS
SEMESTER 1 2024
, PREVIEW
1. 1 (𝑎) 𝑃(𝑥) = −𝑥 3 + 7𝑥 + 6
𝑥 + 2 𝑖𝑠 𝑎 𝑓𝑎𝑐𝑡𝑜𝑟 𝑜𝑓 𝑃(𝑥) 𝑖𝑓 𝑎𝑛𝑑 𝑜𝑛𝑙𝑦 𝑖𝑓 − 2 𝑖𝑠 𝑎 𝑧𝑒𝑟𝑜 𝑜𝑓 𝑃(𝑥). 𝑊𝑒 𝑛𝑒𝑒𝑑 𝑡𝑜
𝑐ℎ𝑒𝑐𝑘 𝑖𝑓 𝑃(−2) = 0
𝑃(−2) = −(−2)3 + 7(−2) + 6
𝑃(−2) = 8 − 14 + 6
𝑃(−2) = 0
𝑻𝒉𝒆𝒓𝒆𝒇𝒐𝒓𝒆 (𝒙 + 𝟐) 𝒊𝒔 𝒂 𝒇𝒂𝒄𝒕𝒐𝒓 𝒐𝒇 𝑷(𝒙)
PRECALCULUS MATHEMATICS B
ASSIGNMENT 01 SOLUTIONS
SEMESTER 1 2024
, PREVIEW
1. 1 (𝑎) 𝑃(𝑥) = −𝑥 3 + 7𝑥 + 6
𝑥 + 2 𝑖𝑠 𝑎 𝑓𝑎𝑐𝑡𝑜𝑟 𝑜𝑓 𝑃(𝑥) 𝑖𝑓 𝑎𝑛𝑑 𝑜𝑛𝑙𝑦 𝑖𝑓 − 2 𝑖𝑠 𝑎 𝑧𝑒𝑟𝑜 𝑜𝑓 𝑃(𝑥). 𝑊𝑒 𝑛𝑒𝑒𝑑 𝑡𝑜
𝑐ℎ𝑒𝑐𝑘 𝑖𝑓 𝑃(−2) = 0
𝑃(−2) = −(−2)3 + 7(−2) + 6
𝑃(−2) = 8 − 14 + 6
𝑃(−2) = 0
𝑻𝒉𝒆𝒓𝒆𝒇𝒐𝒓𝒆 (𝒙 + 𝟐) 𝒊𝒔 𝒂 𝒇𝒂𝒄𝒕𝒐𝒓 𝒐𝒇 𝑷(𝒙)