Mathematics, 31.03.2020 00:54 lilmsnyah

Tyler is using the distributive property on the expression 9 - 4(5x – 6). Here is his
work:
9 - 4(5x - 6)
9+(-4)(5x +-6)
9 +-20x +-6
3 – 20x
Mai thinks Tyler's answer is incorrect. She says, “If expressions are equivalent then
they are equal for any value of the variable. Why don't you try to substitute the same
value for x in all the equations and see where they are not equal?”
a. Find the step where Tyler made an error.
b. Explain what he did wrong.
c. Correct Tyler's work.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 13:00, rondonalba

Ineed with number 17 i don’t get it at alll

Answers: 3

continue

Mathematics, 21.06.2019 14:30, mia2286

Chandler was a caretaker at the state zoo. he noticed that the number of animals adopted by the zoo increased at a constant rate every year since 2010. which of the following graphs shows the slowest rate at which the animals in the zoo were adopted?

Answers: 2

continue

Mathematics, 21.06.2019 16:00, stormhorn491

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.

Answers: 2

continue

Mathematics, 21.06.2019 16:00, Jenifermorales101

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Answers: 1

continue

You know the right answer?

Tyler is using the distributive property on the expression 9 - 4(5x – 6). Here is his
work: