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Ann [662]
3 years ago
10

Nine less than twice x is three more than x what is the value of x

Mathematics
1 answer:
I am Lyosha [343]3 years ago
5 0

Answer:

Step-by-step explanation:

Nine less than twice x :  2x - 9

Three more than x : x + 3

2x - 9 = x + 3  

2x -x - 9 = 3

2x -x = 3 + 9

x = 12

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COMPLETE THE SQUARE TO REWRITE Y=X>2+8X+3 IN VERTEX FORM , AND THEN IDENTIFY THE MINIMUN Y-VALUE OF THE FUNCTION
kicyunya [14]

Answer:

The vertex form is y = (x + 4)² - 13

The minimum value of the function is -13

Step-by-step explanation:

∵ y = x² + 8x + 3

∵ 8x ÷ 2 = 4x ⇒ (x) × (4)

∴ We need ⇒ x² + 8x + 16 to be completed square

∴ y = (x² + 8x + 16) - 16 + 3 ⇒ we add 16 and subtract 16

∴ y = (x + 4)² - 13 ⇒ vertex form

∵ The vertex form is (x - a)² + b

Where a is the x-coordinate of the minimum point and b is y-coordinate of the minimum point (b is the minimum value of the function)

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