Solve a quadratic equation using square roots

[alpine shard]

just started the unit barely understand how to solve

[jaunty flame]

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[obsidian compass]

right

when u take a root

it only gives positive values as the answer right

[alpine shard]

ok

[delicate bloom]

what numbers squared is one?

[alpine shard]

1

so it’s basically multiplication?

[delicate bloom]

yes

[obsidian compass]

Theres another number whose square is also 1

[alpine shard]

what is it?

[delicate bloom]

Think about it

[obsidian compass]

think

[delicate bloom]

A negative times a negative is a positive

So what other number could work

[alpine shard]

-1 i think

[obsidian compass]

yes

[delicate bloom]

There y’a go 😀

[quaint sluice]

wolfqz

wolfqz

[delicate bloom]

Whenever you have a question like that always think of the negative number aswell

[alpine shard]

im sorry im in 7th grade and was put in algebra 1 because of my results on some diagnostic i barely understand any of this

[delicate bloom]

I was learning that last year and a bunch of test problems came form that

[obsidian compass]

yeah, this is a word explanation for the math i wrote

[alpine shard]

ok

+close