<h3>
<u>answer</u><u>:</u></h3>
-0.7
<h3>
<em><u>steps</u></em><em><u>:</u></em></h3>
the quadratic formula is
substitute the correct values in
where it says +- you would type this into your calculator with + AND THEN - to get two separate answers.
when you type + you get the answer of: 5.701562119...
when you type - you get the answer of:
-0.7015621187...
when you round to the nearest tenth you get -0.7
<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em>!</em><em> </em><em>:</em><em>)</em>
<em>have</em><em> </em><em>a</em><em> </em><em>great</em><em> </em><em>day</em><em> </em><em>~</em><em> </em><em>•</em><em>lipika</em><em>•</em>
Answer:
1. 5
2. 13
3. 25
4. 7
Step-by-step explanation:
|-5|=5
|13|=13
|25|=25
|7|=7
The number that should go in the box is 6.
3.60
- 0.65
---------------
2. 9 5
(3x²-2x-4)(2x²+x-3)=3x²(2x²+x-3)-2x(2x²+x-3)-4(2x²+x-3)=
=6x⁴+3x³-9x²-(4x³+2x²-6x)-(8x²+4x-12)=
=6x⁴+3x³-9x²-4x³-2x²+6x-8x²-4x+12=
=6x⁴-x³-x²+2x+12