Which linear function represents the line given by the point-slope equation y + 7 = –y plus 7 equals negative StartFraction 2 Over 3 EndFraction left-parenthesis x plus 6 right-parenthesis.(x + 6)?
f(x) = –f(x) equals negative StartFraction 2 Over 3 EndFraction x minus 11.x – 11
f(x) = –f(x) equals negative StartFraction 2 Over 3 EndFraction x minus 1.x – 1
f(x) = –f(x) equals negative StartFraction 2 Over 3 EndFraction x plus 3.x + 3
f(x) = –f(x) equals negative StartFraction 2 Over 3 EndFraction x plus 13.x + 13
Answers
Answer:A student made the table shown to list some contact and non-contact forces.
Examples of Forces
Contact Forces Non-Contact Forces
The force exerted by a stretched spring The force applied by Earth and sun on each other
The electrical force exerted by a positive charge on a negative charge Magnetic attraction between two magnets
Which statement best explains why the table is incorrect? (3 points)
Spring force is a force acting at a distance.
Electrical force is not a contact force.
Gravitational force can act between planets and sun only when they are in contact.
Magnetic attraction is a contact force.
Step-by-step explanation:A student made the table shown to list some contact and non-contact forces.
Examples of Forces
Contact Forces Non-Contact Forces
The force exerted by a stretched spring The force applied by Earth and sun on each other
The electrical force exerted by a positive charge on a negative charge Magnetic attraction between two magnets
Which statement best explains why the table is incorrect? (3 points)
Spring force is a force acting at a distance.
Electrical force is not a contact force.
Gravitational force can act between planets and sun only when they are in contact.
Magnetic attraction is a contact force.
Given : line given by the point-slope equation y + 7 = -(2/3)(x + 6)
To Find : Which linear function represents the line
f(x) = (-2/3)x - 11
f(x) = (-2/3)x - 1
f(x) = (-2/3)x +3
f(x) = (-2/3)x +13
Solution:
y + 7 = -(2/3)(x + 6)
=> y + 7 = -2x/3 - (2/3)6
=> y + 7 = -2x/3 - 4
=> y = -2x/3 - 11
=> y = (-2/3)x - 11
f(x) = y
=> f(x) = (-2/3)x - 11
f(x) = (-2/3)x - 11 is linear function represents the line given by the point-slope equation y + 7 = -(2/3)(x + 6)
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