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Elina [12.6K]
3 years ago
15

Which of the following quadratic equations has no real solution?

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
8 0
D. You define if a quadratic equation has an answer or not by the delta (the calculation inside the sqrt on the quadratic formula). So you simply calculate b^2 -4ac, if the answer is equal or greater than zero there is a solution, if not there isn’t. (Consider ax^2+bx+c) Hope it helped :)
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Pleaseee answer asap worth 17 pts
bija089 [108]
Speed=distance/time
average speed=(total distance)/(total time)

total distance=203+243=446
total time=3.5+4.5=8

average speed=(446)/(8)=55.75


answer is A
7 0
3 years ago
Pattern A was created by using the rule "start at 2 and add 3." Pattern B was created by using the rule "start at 14 and subtrac
uysha [10]

Answer:

(2, 14), (5, 12), (8, 10), (11, 8), (14, 6)

Step-by-step explanation:

Lets do the math for Pattern A:

2 + 3 = 5

5 + 3 = 8

8 + 3 = 11

11 + 3 = 14

Lets do the math for Pattern B:

14 - 2 = 12

12 - 2 = 10

10 - 2 = 8

8 - 2 = 6

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7 0
3 years ago
Name the value of each 2 in 222,222
Anvisha [2.4K]
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3 0
3 years ago
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Find m angle LKJif m angle LKD=60^ and m angle DKJ=55^
FinnZ [79.3K]

Answer:

<LKJ = 115°

Step-by-step explanation:

<LKJ = <LKD + <DKJ

<LKJ = 60°+55°

<LKJ = 115°

Answered by GAUTHMATH

4 0
3 years ago
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Last year the 6th grade had 350 students.This year the number decreased 36%.How many students are in this years 6th grade class
denis-greek [22]
The decrease in students are <span>350⋅0.36=126</span>
The number of students are <span>350−126=224</span> in this year.[Ans]The number of students are 224 <span>in this year.
https://socratic.org/questions/last-year-the-6th-grade-had-350-students-this-year-the-number-decreas...
</span>
4 0
3 years ago
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