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irinina [24]
3 years ago
14

NEED HELP PLEASEE!!! Determine the value of the equation if x = 4. 3(2x - 1) - 11 = ?

Mathematics
2 answers:
zhenek [66]3 years ago
6 0

Answer:

10

Step-by-step explanation:

3(2x - 1) - 11

Let x=4

3 ( 2*4 -1) -11

PEMDAS says parentheses first

3 ( 8-1) -11

3(7)-11

Then multiply

21-11

Then subtract

10

ella [17]3 years ago
4 0

Answer:

Step-by-step explanation:

6x - 3 - 11

6(4) - 3 - 11

24 - 14

10

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A quadratic function is defined by f(x) = 3x^2 + 4x - 2. A linear function is defined by g(x) = mx-5. What values of the slope o
irakobra [83]
You need to find points where the line g(x) intercepts the quadratic function f(x) in one and only one point.

Then 3x^2 + 4x -2 = mx - 5

solve 3x^2 + 4x - mx -2 + 5 = 0

3x^2 + (4 - m)x + 3 = 0

In order to there be only one solution (one intersection point) the radicand of the quadratic formula must be 0 =>

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(4 - m)^2 = 24

4 - m = +/- √(24)

m = 4 +/- √(24) = 4 +/- 2√(6)

Then m, the slope of the line, may be 4 + 2√6 and 4 - 2√6




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3 years ago
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4y = 5x is this a direct variation?
Alenkasestr [34]

Answer:

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