cragajjar2
17.06.2021 •
Mathematics
Solve the following system of equations and show all work.
y = 2x^2 +9x
y = 4x + 25
Solved
Show answers
More tips
- S Style and Beauty How to Tie a Tie Correctly: A Simple Guide...
- F Food and Cooking How to Make Polendwitsa at Home?...
- F Family and Home Parents or Environment: Who Has the Most Influence on a Child s Upbringing?...
- P Philosophy Unbelievable stories of encounters with otherworldly forces...
- L Leisure and Entertainment How to Choose the Perfect Gift for Men on February 23rd?...
- H Health and Medicine How to Treat Whooping Cough in Children?...
- H Health and Medicine Simple Ways to Lower Cholesterol in the Blood: Tips and Tricks...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
Answers on questions: Mathematics
- M Mathematics Find m∠A. A. 32 B. 26 C. 27 D. 30...
- M Mathematics What number is in between 99,000 and 100,000...
- M Mathematics Howard is designing a chair swing ride. The swing ropes are 5 55 meters long, and in full swing they tilt in an angle of 2 9 ∘ 29 ∘ 29, degrees. Howard wants the chairs to be...
- M Mathematics Someonee will give 5 given ori pt and opr angles segment zopr triangles statements reasons zorpzsr prove: apor - atsr str statements reasons assemble the proof by dragging tiles...
- M Mathematics Can someone me out with this question...
- M Mathematics Determine whether the following sample may be biased and explain. john chooses 100 students from a list of students enrolled at his school and surveys these students about their...
- M Mathematics A circle has circumference 21.4 cm. What is the area of the circle? Use 3.14 for T. The area of the circle is about 1 cm², (Round the final answer to the nearest whole number...
Ответ:
x = 5/2 thì y = 35 và x = -5 thì y = 5
Step-by-step explanation:
thay y = 4x + 25 vào phương trình y = 2x ^ 2 + 9x ta có:
4x + 25 = 2x ^ 2 + 9x
⇒2x ^ 2 + 5x - 25 = 0
⇒ x = 5/2 và x = -5
thay x = 5/2 vào phương trình y = 4x + 25 ⇒ y = 4*(5/2) + 25 = 35
thay x = -5 vào phương trình y = 4x + 25 ⇒ y = 4*(-5) + 25 = 5
Ответ:
Step-by-step explanation: