{"id":7444,"date":"2017-05-02T19:39:02","date_gmt":"2017-05-02T19:39:02","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/prealgebra\/?post_type=chapter&p=7444"},"modified":"2024-04-30T21:23:00","modified_gmt":"2024-04-30T21:23:00","slug":"properties-of-identity-inverses-and-zero","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/wm-developmentalemporium\/chapter\/properties-of-identity-inverses-and-zero\/","title":{"raw":"Introduction to Properties of Identity, Inverses, and Zero","rendered":"Introduction to Properties of Identity, Inverses, and Zero"},"content":{"raw":"

What you'll learn to do: Understand and apply the properties of identity, inverses, and zero when simplifying expressions<\/h2>\r\n[caption id=\"attachment_12929\" align=\"aligncenter\" width=\"960\"]\"A<\/a> How many hot dogs does Sam need to feed his guests?[\/caption]\r\n\r\nSam is having a barbecue with his family to celebrate the Fourth of July. He's grilling hamburgers for the adults and hot dogs for the children. He expects 14 adults and 8 children. After estimating that each child will eat one hot dog, how many hot dogs should Sam grill? To figure this out, Sam can use the identity property of multiplication. You'll learn about this property and a few others\u00a0in this section.\r\n\r\nBefore you get started, take this readiness quiz.\r\n
\r\n

readiness quiz<\/h3>\r\n1)\r\n\r\n[ohm_question]144927[\/ohm_question]\r\n\r\nIf you missed this problem, review the video below.\r\n\r\nhttps:\/\/youtu.be\/suk9KMzOKkU\r\n\r\n2)\r\n\r\n[ohm_question]141842[\/ohm_question]\r\n\r\nIf you missed this problem, review the following video.\r\n\r\nhttps:\/\/youtu.be\/IM991IqCi44\r\n\r\n3)\r\n\r\n[ohm_question]146025[\/ohm_question]\r\n\r\nIf you missed this problem, review the following video.\r\n\r\nhttps:\/\/youtu.be\/Rxz7OUzNyV0\r\n\r\n<\/div>","rendered":"

What you’ll learn to do: Understand and apply the properties of identity, inverses, and zero when simplifying expressions<\/h2>\n
\"A<\/a><\/p>\n

How many hot dogs does Sam need to feed his guests?<\/p>\n<\/div>\n

Sam is having a barbecue with his family to celebrate the Fourth of July. He’s grilling hamburgers for the adults and hot dogs for the children. He expects 14 adults and 8 children. After estimating that each child will eat one hot dog, how many hot dogs should Sam grill? To figure this out, Sam can use the identity property of multiplication. You’ll learn about this property and a few others\u00a0in this section.<\/p>\n

Before you get started, take this readiness quiz.<\/p>\n

\n

readiness quiz<\/h3>\n

1)<\/p>\n