What number added to −70 has a sum of zero?(1 point)
The number is
.
The number that added to -70 has a sum of zero is 70.
Carson has moved back 3 spaces in a game. What must be the next turn to move back to the original position?(1 point)
Carson needs to move
spaces
Carson needs to move 3 spaces forward to return to the original position.
Morgan has 20 points in a game. What value can be added to 20 points to get a sum of 0?(1 point)
The value is
points.
The value that can be added to 20 points to get a sum of 0 is -20 points.
Nicolas plays two rounds of golf. In the first round, he scores 3 under par, and he scores 3 over par for the second round. Are these opposite quantities whose sum is 0? Respond 1 if these quantities are opposites. Respond 2 if these quantities are not opposites.(1 point)
1
One town is 20 feet above sea level. Another town is 10 feet below sea level. Are these opposite quantities whose sum is 0? Respond 1 if these quantities are opposites. Respond 2 if these quantities are not opposites.(1 point)
2
Which expression shows x and its opposite are 0?(1 point)
Responses
x+(−x)=0
x plus left parenthesis negative x right parenthesis equals 0
x+(1x)=0
x plus left parenthesis Start Fraction 1 over x End Fraction right parenthesis equals 0
x+x=0
x plus x equals 0
x+(−1x)=0