3 years ago

Quadratic Functions: Vertex Form

Mathematics

1 answer:

Keith_Richards [23]3 years ago

7 0

Answer:

(5, -9).

Step-by-step explanation:

The vertex if (h, k).

So for 6(x - 5)^2 - 9 the vertex is the point (5, -9).

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Simplify by using the distributive property:

lesya692 [45]

12. 4(s+5)
4s+20

15. 2(3r-12)
6r-24

18. -3(16-3d)
9d-48

3 0

3 years ago

What's the answer ?????

ra1l [238]

1/2 because it's 2 times smaller

7 0

3 years ago

Find the area of a trapezium whose parallel sides are 28.7 cm and 22.3 cm and distance between parallel sides is 16 cm.

puteri [66]

Given:

The parallel sides of a trapezium are 28.7 cm and 22.3 cm.

The distance between parallel sides is 16 cm.

To find:

The area of a trapezium.

Solution:

The area of the trapezium is:

$A=\dfrac{a+b}{2}h$

Where, $a,b$ are parallel sides and $h$ is the vertical distance between the parallel sides.

Putting $a=28.7, b=22.3,h=16$ in the above formula, we get

$A=\dfrac{28.7+22.3}{2}\times(16)$

$A=\dfrac{51}{2}\times 16$

$A=51\times 8$

$A=408$

Therefore, the area of the trapezium is 408 square cm.

4 0

3 years ago

18+6/-4-16 HELP only d part

Ivahew [28]

Answer:

$\frac{1}{2}$ is the answer

Step-by-step explanation:

First we need to substitute X and Y with their respective numbers

$3\cdot \:6+\frac{6}{-4}-\left(-4\right)^2$

Then, following PEMDAS, We just need to simplify

$18+\frac{6}{-4} -16$

$16.5-16=0.5=\frac{1}{2}$

3 0

2 years ago

Read 2 more answers

I don’t know the answer I just need some points to ask more questions !!! have a good day !!

Scilla [17]

Answer:

have a good day too

Step-by-step explanation:

6 0

3 years ago