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saw5 [17]
3 years ago
13

Unit Test: A

Mathematics
1 answer:
Marizza181 [45]3 years ago
7 0

Answer:

D................ .......

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At which points does the graph of f(x)=2x−4 cross the x-axis and y-axis?
blagie [28]

crosses x-axis at (2, 0 ) and y-axis at (0, - 4 )

To find where the graph crosses the x and y axes ( intercepts )

• let x = 0, in the equation for y- intercept

• let y = 0, in the equation for x- intercept

x = 0 : y = 0 - 4 = - 4 ⇒ (0, - 4 )

y = 0 : 2x - 4 = 0 ⇒ 2x = 4 ⇒ x = 2 ⇒ (2, 0 )


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Centroid of triangle with vertices (0,0) ,(3,0) & (0,-3) is……. [ ]
Firdavs [7]

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b

Step-by-step explanation:

centroid

x=(x1+x2+x3)/3=(0+3+0)/3=3/3=1

y=(y1+y2+y3)/3=(0+0-3)/3=-3/3=-1

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3 0
2 years ago
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Find the radius or diameter of each circle with the given dimensions.<br><br> d=30 m
Alex_Xolod [135]

Answer:

r=94.2

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How to find the slope and y intercept from two coordinate pairs
aivan3 [116]
First use the slope formula to form the slope
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and then find the y intercept by (0,b)
then plug m and b into
y=mx+b
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