You must remember that a polynomial is written like so...
ax^2 + bx + c
In this case...
a = 1
b = -18
c = 81
To factor you must find two numbers who both add up to b (-18) AND multiply to c (81)
-9 + -9 = -18
-9 * -9 = 81
so...
D. (x - 9)(x - 9)
Hope this helped!
~Just a girl in love with Shawn Mendes
Answer from: Quest
i think it is 18
step-by-step explanation:
Answer from: Quest
1. statement- ca is parallel to db and e is the midpoint of ad reason- given2. statement- reason- alternate interior angles3. statement- de is congruent to ae reason- definition of midpoint4. statement- triangle aec is congruent to triangle deb reason- asa (angle side angle)
Another question on Mathematics
Mathematics, 21.06.2019 16:30
Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station.he knows that the state tax is 5.5. how much change will he receive from a $5 bill?
No commitments. Cancel anytime. All pricing is in US dollars (USD). The subscriptoin renews automaticaly until you cancel. For more information read our Terms of use & Privacy Policy