1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Norma-Jean [14]
3 years ago
7

Drag each pair of equations to show if the system has no solutions, one solution, or infinitely many solutions.

Mathematics
1 answer:
Vsevolod [243]3 years ago
4 0

Remark

Please number your pairs of equations going from left to right. The pair on the extreme left is (1) and the pair on the extreme right is (5).


(1)

If you multiply to top member of the pair by 2, you will get the bottom equation of the pair. What that tells you is that there are many (infinite) numbers of solutions.

(y = 3x + 4) * 2 remove the brackets.

2y = 6x + 8 Exactly the same equation as the bottom one = infinite solutions.


(2)

If the slopes are the same (both are -1) and the y intercepts are different (0,-2) and (0,-6) then the lines are parallel (they never meet) and have no solutions.


(3)

If the slopes are different, there is one solution. (9 and 1) There is one solution.


(4)

Four gives 1 solution as well at 0,0. That is because the slopes are different.


(5)

trick question. the slopes are quite different. one is 0 and the other is undefined. They meet at one point.(-6,-3). I solution.

You might be interested in
Line segment MN is shown below. If point P(x,y) partitions the line segment
Nina [5.8K]

Answer:

P (-1 , 0)

Step-by-step explanation:

M (-6 , 2)      N (9 , -4)     P (x , y)

horizontal distance of M and N = 9 - (-6) = 15

vertical distance of M and N = 2 - (-4) = 6

1/3 from x coordinate of M (-6): -6 + 15/3 = -1    This is x coordinate of point P

1/3 from y coordinate of M (2): 2 - 6/3 = 0    This is y coordinate of point P

P (x , y)  i.e P (-1 , 0)

check: distance of MP = √(-1 - (-6))² + (0 - 2)² = √29 = 5.385

distance of PN = √(-1 - 9)² + (0 - (-4))² = √116 = 10.77

MP / PN = 5.385 / 10.77 = 0.5 = 1/2

7 0
3 years ago
A sample that does not accurately represent the population is a _________.
Zinaida [17]

The word "random' does not describe the sample.

6 0
3 years ago
Xavier bought 3 quarts of milk for his family. They drank 1-quarts for
telo118 [61]
The answer is B. Once you combine the two amounts consumed (which you’d put them in like terms and reduce) you’d subtract the sum from 3

There for
1 1/4 = 1 2/8
1 2/8+7/8 = 1 9/8
1 9/8 = 2 1/8

2 1/8 is the sum of the amount consumed there for,
3- 2 1/8 = 7/8

If you solved with A you would essentially be adding a initial quart of 3 and 1 1 1/4 which assumes you added milk then drank 7/8 of a quart, C assumes you don’t consume any and you have 1 1/4 and 7/8 quarts of milk above the 3 quarts and D would leave you with 1.125 or 1 1/8 there for it is also incorrect.
7 0
3 years ago
HELP PLEASE THIS IS DUE TODAY
nikklg [1K]

Answer:

112 approximately

Step-by-step explanation:

3 0
3 years ago
Write the place of each underline digit.<br> 164.13<br> -
tino4ka555 [31]

Answer: 1 It's the hundreds place

Step-by-step explanation:

164.13

1 is hundreds 6 is tens 4 is one .(point) 1 is uniths and 3 is tenths

Anything after the decimal ends in (ths) (ones(uniths), tenths, hundreths) but since we only have to write

The underlined digit which is 1 it's only HUNDREDS or the hundreds place value

3 0
3 years ago
Other questions:
  • Mrs. Bea’s Bakery offers a Saturday morning special where your entire meal is 15% off. How much will a $32.00 meal cost after th
    14·2 answers
  • Find the interest. Round to the nearest cent.<br><br> $1850 at 8% for 14 months
    14·1 answer
  • The probability rolling nine fair dice and getting an even number on all nine dice
    10·1 answer
  • 12 of a number b increased by 7
    11·1 answer
  • Nick score on six scientist are listed below 87,93,82,91,93,85
    15·1 answer
  • PLEASE ANSWER THIS QUESTION. WILL GIVE YOU THE BRAINIEST IF CORRECT.
    13·1 answer
  • Over 20 years, the population of a town
    14·2 answers
  • Is 1/9 closer to 0 1/2 or 1
    10·2 answers
  • 120 x ? = 40
    5·1 answer
  • Pls solve question 8c, i will mark branliest
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!