3 years ago

Write the standard form of the line that contains a slope of -1/2 and y intercept of 1

1 answer:

7 0

The equation for the stand form of a line is y = mx + b.

You will need
m = slope
b = y-intercept

The question already gave you both of those so you simply put them into the equation "y=mx+b"

m = -1/2
y-intercept = 1
Plug those into "y = mx + b"

Your equation is: y = -1/2x + 1

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Write the quadratic equation in standard form:<br> 7x + 8 + 2x2<br> 2x + 1 + x2

JulsSmile [24]

Answer:

$3x^2 + 9x +9$

Step-by-step explanation:

Given

$(7x + 8 + 2x^2) + (2x + 1 + x^2)$

Required

The result in standard form

We have:

$(7x + 8 + 2x^2) + (2x + 1 + x^2)$

Remove brackets

$7x + 8 + 2x^2 + 2x + 1 + x^2$

Collect like terms

$7x+ 2x + 8 + 1 + 2x^2+ x^2$

$9x + 9+ 3x^2$

The standard form of a quadratic equation is:

$ax^2 + bx + c$

So, we have:

$9x + 9+ 3x^2$

$3x^2 + 9x +9$

5 0

2 years ago

Thr four angles of a quadrilateral L are in the ratio 5:2:3:8find the angle

Anuta_ua [19.1K]

Ratio = 5:2:3:8
Sum of all internal angles = 360°
5x + 2x + 3x + 8x = 360°
18x = 360°
x = 20°
Therefore,
5x = 100°
2x = 40°
3x = 60°
8x = 160°
5:2:3:8 :: 100:40:60:160.

5 0

3 years ago

Read 2 more answers

For one Chemistry test, Sally had to answer 25 questions. Of these questions, Sally answered 52.0% of them correctly. How many q

klio [65]

25 × 52% =
25 × 52/100=
13 questions answered correctly

3 0

3 years ago

Please please help me!

g100num [7]

I think the answer would be B
I’m soooo sorry if I’m wrong

4 0