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
Mariana [72]
2 years ago
13

What are all the solutions of x2 + 3x – 4 = 0?

Mathematics
2 answers:
fgiga [73]2 years ago
8 0

Answer:

1, -4

Step-by-step explanation:

neonofarm [45]2 years ago
3 0

Quadratics have 2 solutions

Factor the Quadratic

x^2 +3x -4 = 0

(x-1) (x+4) = 0

set each term = 0

x-1=0   x+4 = 0

solve

x=1    x=-4

The solutions are 1, -4


You might be interested in
Watermelon is on sale for $4 per pound. How much would 7.5 pounds cost?​
timurjin [86]

Answer:

$30

Step-by-step explanation:

Just multiply

5 0
3 years ago
Read 2 more answers
Janet drove 420 miles in 6 hours. What was her constant rate of change?<br><br><br> Pls answer
Ira Lisetskai [31]

Answer:

70 miles per hour

Step-by-step explanation:

5 0
2 years ago
Help me please<br> 3x+12=?
Ad libitum [116K]

Answer:

<h2>3x+12=0</h2><h2>3x=0-12</h2><h2>x=-12/3</h2><h2>hence x=(-4)</h2><h3>✌️✌️ HOPE IT HELPS</h3>
6 0
2 years ago
Read 2 more answers
Solve the equation!3 tan^3θ = tan θ
andreev551 [17]
3 tan³ t(theta) = tan t(theta)
3 tan³ t - tan t = 0
tan t ( 3 tan² t - 1 ) = 0
tan t = 0
t 1 = k π ,  k ∈ Z
3 tan ² t - 1 = 0
3 tan ² t = 1
tan ² t = 1/3
tan t = +/- √3/3
t 2 = π / 6 + k π
t 3 = - π / 6 + k π ,  k ∈ Z
8 0
3 years ago
Find all solutions to the equation. <br><br> cos^2x + 2 cos x + 1 = 0
mixas84 [53]
\cos^2(x)+2\cos(x)+1=0\\\\ (\cos(x)+1)^2=0\\\\ \text{So:}\\\\ \cos(x)+1=0\\\\ \cos(x)=-1\\\\ \boxed{x=\pi+2k\pi},~k\in\mathbb{Z}
5 0
3 years ago
Read 2 more answers
Other questions:
  • Sove the equation and verify
    12·1 answer
  • There are four basic operations: addition, subtraction, multiplication, and division. Do you think these four operations can be
    8·1 answer
  • Marco is making mosaic garden stones using red, yellow,and blue tiles he has 45 red tiles 90 blue tiles and 75 yellow tiles. Eac
    12·1 answer
  • 16.<br>(a)<br>Simply<br>3b + 5b - 2<br>​
    14·1 answer
  • The length of a rectangular picture frame is 4 inches less than three times the width. The perimeter is 136 inches. Find the len
    11·1 answer
  • Section 1 - Question 9
    13·1 answer
  • Vincent had 97 rocks in his collection. He found 48 more at the beach. How many did he have in all ?
    11·1 answer
  • Simplify <img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20%2B10x%2B9" id="TexFormula1" title="x^{2} +10x+9" alt="x^{2} +10x+9" al
    7·1 answer
  • Determine the slope of the line represented by y=5x-7 ?
    11·1 answer
  • Find the slope of intercept of the line that passes through (-3,-5) and has a slope of 1/3
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!