Dont understand can u use a pic
To solve for the quadratic equation 9x² = 4, we need to recall that the difference between two square can be expressed as the product of their sum and difference or (a² - b²) = (a + b)(a - b).
Thus, we have
9x² = 4
9x² - 4 = 0
(3x)² - (2)² = 0
(3x + 2)(3x - 2) = 0
We now have two linear equations:
3x + 2 = 0 | 3x - 2 = 0
3x = -2 | 3x = 2
x = -2/3 | x = 2/3
Thus, x = +2/3 and -2/3.<span>
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The difference is 6. Each number increases by 6 in the sequence.
2 + 6 = 8
8 + 6 = 14
14 + 6 = 20
20 + 6 = 26
Etc.
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Answer:
B
Step-by-step explanation:
You need the equation to equal 0
4x²-5=3x+4 Subtract 4 and 3x from both sides
4x²-5-4-3x
4x²-3x-9
a=4 b=-3 c=-9
(-b±√(b²-4ac))/2a
(-(-3)±√-3²-4(4)(-9)) / (2(4)
The mid-point of the numbers 3.8 and 4.1 will be 3.95.
<h3>What is the midpoint of line segment AB?</h3>
Let C be the mid-point of the A and B.
C = (A + B) / 2
The numbers are given below.
3.8 and 4.1
Then the mid-point of the numbers 3.8 and 4.1 will be
C = (3.8 + 4.1) / 2
C = 7.9 / 2
C = 3.95
More about the midpoint of line segment AB link is given below.
brainly.com/question/17410964
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