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sergeinik [125]
3 years ago
15

Write the equation and identify the slope, y-intercept, an

Mathematics
1 answer:
Deffense [45]3 years ago
3 0
Equation: y=-2x-4
slope: -2
y-int: -4
x-int: -2
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use the coordinates of the vertex and the point to write the quadratic equation in standard form (-2, -2) point (-1, 1)
kogti [31]

Answer:

Step-by-step explanation:

vertex form of quadratic: y = a ( x − h ) ^ 2 + k

h= -2 , k = -2

y=a(x+2)^2-2

Substitute (-1,1)

1=a(-1+2)^2-2

a=3

y=3(x+2)^2-2

Expanding and give

y=3x^2+12x+10

5 0
3 years ago
45% of the 647 students at Royal Oak High attended the football game. How many students did not attend?
Lostsunrise [7]
First multiply
.45*647= 291.15
291.15 is the number of people that attended 
subtract 291.15 from 647 and you get 355.85 wait.. but that's not possible so just round it so the answer to your question is 355 people did not attened
3 0
3 years ago
Read 2 more answers
What is the value of x:<br><br> 2 + x = 8
klio [65]
6

2+x=8
Subtract 2 on both sides
x=6
5 0
3 years ago
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In the diagram shown, chords AB and CD intersect at E. The measure of (AC) ̂ is 120°, the measure of (DB) ̂ is (2x)° and the mea
Mars2501 [29]

Answer:

The measure of angle < AED is 100\°

Step-by-step explanation:

we know that

The measure of the interior angle is the semi-sum of the arcs comprising it and its opposite.

so

m

substitute the values and solve for x

4x=\frac{1}{2}(120\°+2x)

8x=(120\°+2x)

8x-2x=120\°

6x=120\°

x=20\°

m

m -----> by supplementary angles

substitute value

80\°+m

m

4 0
3 years ago
Can anyone help? Im giving 100 points for it its all i have
olga_2 [115]

Answer: i tried

1. 7,350.98

2. 432

3. 2016

4. 311404

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
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