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
Julli [10]
3 years ago
13

Solve this expression 5x^2-13x-6

Mathematics
1 answer:
torisob [31]3 years ago
6 0

Answer:

x= -2/5 and x= 3

Step-by-step explanation:

Given equation is,

5x^2 -  13x -  6  = 0

Or, 5x^2 -  15x + 2x -  6  = 0 ( using middle term method)

Or, 5x( x- 3) + 2 (x-3) = 0

Or, (x-3) (5x+2) = 0

Now, x will have 2 answers because it's degree is 2. Total number of values depends on the power of variable.

So, x= 3 or, 5x = -2

             Or, x= -2/5

So, the answer is  x= -2/5 and x= 3.

You might be interested in
Graph y=-1/2x^2-1. Identify the vertex of the graph. tell whether it is a minimum or maximum. (To clarify, 1/2 is a fraction *x^
ahrayia [7]
y= -\frac{1}{2} x^{2}-1 is a quadratic function, so its graph is a parabola.

Notice that the coefficient of x is 0, this always means that the axis of symmetry is the y-axis.

That is, the vertex of the parabola is in the y-axis, so the x-coordinate of the vertex is 0.

for x=0, y=-1. So the vertex is (0, -1)

The coefficient of x^{2} is negative. This means that the parabola opens downwards, so the vertex is a maximum.


Answer: (0, -1) , maximum (none of the choices)
5 0
3 years ago
7 less or greater than 5x -16 does it equal 4?
Marysya12 [62]
Can you re-phrase the question


4 0
3 years ago
Give a counterexample for the following
notsponge [240]

Answers: the answer is 1

Step-by-step explanation: 2+2=4

3 0
3 years ago
The ages of 8 different students in a college math class were used to make the box plot shown above. Which of the following
notsponge [240]

Answer:

Range is 8

Step-by-step explanation:

To find range you need to subtract the largest number with the smallest. The largest is 28 and the smallest is 20.

28-20=8

8 0
2 years ago
At a hardware store they can cut a rope off of a big roll so you can buy any length you like. the cost of 6 feet of rope is 7.50
konstantin123 [22]

Answer:

first you'd need to divide 7.50 by 6 which will get you (7.50÷6=1.25) then you would need to multiply 1.25 by 50 which will get you $62.50 (1.25×50=62.5).

8 0
2 years ago
Other questions:
  • Simplify: 1/3x(6x - 1) A) 5 3 x B)2x - 1 C)2x - 1 3 D)2x2 - 1 3 x
    9·2 answers
  • Find the volume of a cube where the length of each side is 6 centimeters.
    11·1 answer
  • If you toss a coin 4 times, what is the probability of landing heads, heads, tails, heads and then heads?
    14·2 answers
  • A concert in the park started at 6:35p.m. It ended at 7:55. How long was the concert.
    7·1 answer
  • Find the measure of angle K<br> K<br> N<br> M<br> 17<br> 27<br> 63<br> 36
    7·1 answer
  • Ricole wrote a number that is the same distance from 0 to 15 on a number line but in a opposite direction . What number did rico
    15·1 answer
  • Which expression can be used to find the surface area of the following square pyramid?
    8·2 answers
  • Mhanifa or Anyone Answer this PLZZZZZZ
    11·1 answer
  • Blue whales eat an average of 5,000 pounds of fish daily, with a standard deviation of 850 pounds. Approximately what percentage
    6·1 answer
  • What is the y-intercept of the function f(x) = -2/9+1/3<br> .
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!