Answer:
2x - y = 0
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
y = 2x - 1 ← is in slope- intercept form
with slope m = 2
Parallel lines have equal slopes, thus
y = 2x + c ← is the partial equation
To find c substitute (1, 2) into the partial equation
2 = 2 + c ⇒ c = 2 - 2 = 0
y = 2x ← equation in slope- intercept form
Subtract y from both sides
0 = 2x - y , that is
2x - y = 0 ← equation in standard form
One ordered pair would be (1, 8) ( because y = 5(1) + 3 = 8)
Answer:
The area of rhombus = 24
Step-by-step explanation:
The area of rhombus = base times height
For the given rhombus :
Height = The length of DP
Base = the length of any side of the rhombus as AB
The length ot two point (x₁ , y₁) and (x₂ , y₂) =
From the given figure:
D = (-5,-2) , P = (-3.8 , 1.6) , A = (1,0) , B = (7 , -2)
DP = = √14.4
AB = = √40
So,
<u>The area of rhombus = √14.4 * √40 = √576 = 24</u>
Answer:
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