Step-by-step explanation:
The equation of line A:
y - 1 = 0.5x - 3
y = 0.5x - 2. Hence its gradient is 0.5.
For line B, its y intercept is -8, so y = mx - 8.
When x = -4, y = -4m - 8 = 0 as shown in the graph. This means that m = -2.
So the equation of line B:
y = -2x - 8. Its gradient is -2.
Since |-2| > |0.5|, line B is steeper than line A.
The statement "<span>When point E (-9, 3) is rotated 180� about the origin, its coordinate becomes (3, 9)." is FALSE.
The answer should be (9,-3) because when a point is rotated 180 degrees about the origin, its coordinates change signs.
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Answer:2x=7 , x=3.5
Step-by-step explanation:
Answer:
A & B
Step-by-step explanation:
cos(theta)tan(theta) can be expressed as;
cos(theta)tan(theta) = cos(theta) × (sin(theta))/cos(theta).
cos(theta) cancels out to give; sin(theta)
Thus is equivalent to option A
