3 years ago

Factor the following (y-1)^2-4

Mathematics

1 answer:

Gala2k [10]3 years ago

5 0

Answer:

(y - 3)(y + 1)

Step-by-step explanation:

Given

(y - 1)² - 4 ← this is a difference of squares and factors in general as

a² - b² = (a - b)(a + b), thus

(y - 1)² - 4

= (y - 1)² - 2²

= (y - 1 - 2)(y - 1 + 2)

= (y - 3)(y + 1) ← in factored form

You might be interested in

7. As a part of a geometry assignment, Ellen drew an isosceles triangle. Which of the following dimensions could represent the s

Elza [17]

I would go with C because an isosceles triangle has 3 sides, 2 sides are the same size and 1 side is a bit bigger

6 0

3 years ago

Arithmetic sequence find the next next term in the sequence 44, 51, 58, 65

brilliants [131]

The general term of the number sequence is +7 therefore the next teem would be 65+7=72

7 0

4 years ago

A boat is 240 inches long . A train car is 25% longer than a boat . How long is the train car ?

anyanavicka [17]

Answer:60

Step-by-step explanation: You have to see how much is 25% of 240 and there is your answer i know that is confusing but thats the only way i can explain it.

8 0

3 years ago

In order to fence a garden, the rowan family needs 64 feet of lumber. The garden at the correas house will need to be 100% large

aliina [53]

Answer:

128 feet of lumber

Step-by-step explanation:

In order to fence a garden, the rowan family needs 64 feet of lumber. The garden at the correas house will need to be 100% larger. How man feet of lumber will the correas need?

Step 1

We calculate how many feet larger

Hence:

64 × 100%

= 64 feet

Step 2

How many feet of lumber will the correas need:

= 64 feet + 64 feet

= 128 feet

3 0

3 years ago

5. Angela drove to Florida for Spring Break. It took her two days. The first leg of her trip

Vadim26 [7]

Answer:

She drove 468.1 miles.

Step-by-step explanation:

315.8 + 152.3

4 0

3 years ago