3 years ago

Draw a number line from –2 to 2. Put tick marks every one-tenth unit. Graph a point with the given coordinate.

1 answer:

7 0

Okay! I drew the graph and I got Point Q is 0.1 unit to the right of 1.

Knowing the order of the numbers is the best way to get the answer.

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Does the function f(x) = 2x^2− 6x + 9 have a minimum or a maximum? Identify its value.

exis [7]

Answer:

minimum value of function is $\frac{45}{8}$ .

Step-by-step explanation:

Given function represents a parabola.

Now, here coefficient of $x^{2}$ is positive , so the parabola will be facing upwards and thus the function will be having a minimum.

Now, as we know that minimum value of a parabolic function occurs at

x = $\frac{-b}{4a}$ .

Where , b represents the coefficient of x and a represents the coefficient of $x^{2}$ .

here, a = 2 , b = -6

Thus $\frac{-b}{4a}$ = $\frac{6}{8}$

= $\frac{3}{4}$

So, at x = $\frac{3}{4}$ minimum value will occur and which equals

y = 2× $\frac{9}{16}$ - $\frac{18}{4}$ + 9 = $\frac{45}{8}$ .

Thus , minimum value of function is $\frac{45}{8}$ .

4 0

3 years ago

Can someone help me solve for b? 2(b + 3) = 12

Akimi4 [234]

2b+3=12
-3 -3
2b=9
B=4.5

7 0

3 years ago

Read 2 more answers

Please help this is due today!

miskamm [114]

Answer:

C. )

Step-by-step explanation:

3 0

3 years ago

Calculate the distance between the points C = (0,-2) and L= (-4, 1) in the coordinate plane. Give an exact answer. (not a decima

schepotkina [342]

Answer: 5

Step-by-step explanation:

$\sqrt{(-4-0)^2 + (1-(-2))^2}=5$

7 0

2 years ago

-\frac{9x}{4}=27

IRISSAK [1]

$\bf \cfrac{-9x}{4}=27\implies \stackrel{\textit{cross multiplying}}{-9x=4(27)}\implies x=\cfrac{4(27)}{-9}\implies x=4\cdot \cfrac{27}{-9} \\\\\\ x=4\cdot -3\implies x=-12$

4 0

3 years ago