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saul85 [17]
3 years ago
8

Which point is an x-intercept of the quadratic function f(x) = (x + 6)(x-3)?

Mathematics
1 answer:
erastovalidia [21]3 years ago
8 0

Which point is an x-intercept of the quadratic function

f(x) = (x + 6)(x - 3)? THE ANSWER IS D.

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Which of the following is the graph of y = negative (x minus 2) cubed minus 5?
inysia [295]

Step-by-step explanation:

(x-2)^3 = x^3-6x^2+12x-8

-(x^3-6x^2+12x-8)=

-x^3+6x^2-12x+8

-x^3+6x^2-12x+8 -5=

y=-x^3+6x^2-12x+3

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5 0
2 years ago
Find the two smallest possible solutions to part 1a​
bixtya [17]
<h3>Answer: A. 5/12, 25/12</h3>

============================

Work Shown:

12*sin(2pi/5*x)+10 = 16

12*sin(2pi/5*x) = 16-10

12*sin(2pi/5*x) = 6

sin(2pi/5*x) = 6/12

sin(2pi/5*x) = 0.5

2pi/5*x = arcsin(0.5)

2pi/5*x = pi/6+2pi*n or 2pi/5*x = 5pi/6+2pi*n

2/5*x = 1/6+2*n or 2/5*x = 5/6+2*n

x = (5/2)*(1/6+2*n) or x = (5/2)*(5/6+2*n)

x = 5/12+5n or x = 25/12+5n

these equations form the set of all solutions. The n is any integer.

--------

The two smallest positive solutions occur when n = 0, so,

x = 5/12+5n or x = 25/12+5n

x = 5/12+5*0 or x = 25/12+5*0

x = 5/12 or x = 25/12

--------

Plugging either x value into the expression 12*sin(2pi/5*x)+10 should yield 16, which would confirm the two answers.

7 0
3 years ago
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Assuming that the x is not part of the ^-1 the range would be 

[0,π/2) U (π/2,<span>π]</span>
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Answer: D

Step-by-step explanation:

10 squared is 100 and 11 squared is 121, and 111 is in between those two numbers.

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What is the value of x? <br><br> Enter your answer as a decimal to the nearest tenth in a box.
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