The second:
$\left \{ {{-2x+4y=18} \atop {4x-8y=-36}} \right.$
<span>The second equation is equal to the first multiplied by -2, giving two coincident straight lines with infinite points in common (solutions)</span>

3 0

2 years ago

Help on this ASAP IF FOR TODAY

tatiyna

Answer:

tangent line : UQ

secant line: line UR

chord: US

diameter: UW

2) OD= 4.8

3)x =7 SV=6

Step-by-step explanation:

tangent line : A tangent to a circle is a straight line which touches the circle at only one point

secant:A secant is a line that intersects a circle in exactly two points

diameter: diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle

8 0

2 years ago