bigjoebob22
25.07.2019 •
Mathematics
What is the value of x in the equation 2x2 + 6x = –5?
Solved
Show answers
More tips
- G Goods and services How to Choose a Bread Maker?...
- A Art and Culture Who Said The Less We Love a Woman, the More She Likes Us ?...
- F Family and Home How to Get Rid of Your Neighbors?...
- S Society and Politics How Could Nobody Know About the Dead Mountaineers?...
- H Health and Medicine How to Cure Adenoids?...
- H Health and Medicine Why Wearing a Back Brace Can Be Beneficial During Back Strain?...
- S Sport When and Where Will the 2014 World Cup be Held?...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
Answers on questions: Mathematics
- M Mathematics A circular garden has a radius of 3.5 feet. Rebecca wants to enclose the garden with edging. About how much edging does she need to enclose her garden? I NEED HELP...
- M Mathematics Plzzzz help me, write the slope-intercept form of the equation of each line and please explain...
- M Mathematics Need help i attached images to the question...
- M Mathematics Join to showg meet- dke-yvqz-uze...
- M Mathematics Which graph represents the function p(x) = |x – 1|? On a coordinate plane, an absolute value graph has a vertex at (0, 1). On a coordinate plane, an absolute value graph...
- M Mathematics Help anybody please?...
- M Mathematics Log10 √35 + log10 √2 - log10 √7.Evaluate...
- M Mathematics Someone please just help me i cant fail this please...
- M Mathematics 3.14159, this is pi Followed by 2-6-5-3-5-8-9 Circumference over diameter 7-9, then 3-2-3 OMG! Can t you see? 8-4-6-2-6-4-3 And now we re on a spree 38 and 32, now we re...
- M Mathematics Y=4(5/6)^x O exponential growth; 4 O exponential decay; 4 exponential growth; 0 exponential decay: 5...
Ответ:
2x² + 6x + 5 = 0
x1,2 = (-6 ± √36-40)/4
Delta is negative so x ∉ R
Ответ:
It will be the first one, because opposite of 9 is negative 9.
It will be the second one because the negative is outside of the absolute value, still making it negative 9.
The fourth will be an answer also because the negative is outside of the absolute value, still making it negative 9.