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3.2 Equivalent Equations #1-12
By Mari Yahner
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3.2 NOTES = ONLINE BOOK PAGE #74
3.2 video lesson (2 min)
Question 1
1.
Which solution shows that each pair of equations is equivalent.
substituting 7 for a; 10-7 = 3; resulting in 3=3 and therefore equivalent
substituting 7 for a; 10-7 = 3; resulting in 17=3 and therefore not equivalent
Question 2
2.
Which solution shows that each pair of equations is equivalent.
substitute 4 for n; 9=4+5; resulting in 9=-1 and therefore not equivalent
substitute 4 for n; 9=4+5; resulting in 9=9 and therefore equivalent
Question 3
3.
Which solution shows that each pair of equations is equivalent.
substitute -5 for x; 7 = 12 - 5 results in 7=7 and therefore are equivalent
substitute -5 for x; 7 = 12 - 5 results in 17=17 and therefore are equivalent
Question 4
4.
Which solution shows that each pair of equations is equivalent.
substituting 11 for y; 4 - 11 = -7; results in -7=-7 and therefore are equivalent
substituting 11 for y; 4 - 11 = -7; results in 18=18 and therefore are equivalent
Question 5
5.
Which solution shows that each pair of equations is equivalent.
substitute 6 for c in the second equation; resulting in 12=12 and therefore equivalent
substitute 6 for c in the second equation; resulting in 8=24 and therefore not equivalent
Question 6
6.
Which solution shows that each pair of equations is equivalent.
substitute 30 for x in the second equation;
resulting in 6 =5 and therefore not equivalent
substitute 30 for x in the second equation;
resulting in 24 =5 and therefore not equivalent
substitute 30 for x in the second equation;
resulting in 5 =5 and therefore equivalent
Question 7
7.
Which solution shows that each pair of equations is equivalent.
substitute 10 for y into the second equation; resulting in 10=10 and therefore equivalent
substitute 10 for y into the second equation; resulting in -23 = -23 and therefore equivalent
substitute 10 for y into the second equation; resulting in -17 = -23 and therefore not equivalent
Question 8
8.
Which solution shows that each pair of equations is equivalent.
substitute -15 for n into the second equation; resulting in -9=-9 and therefore equivalent
substitute -15 for n into the second equation; resulting in -3=-9 and therefore not equivalent
substitute -15 for n into the second equation; resulting in 10=-9 and therefore not equivalent
Question 9
9.
Which solution shows that each pair of equations is equivalent.
substitute 0 for b into the second equation; resulting in 14=8 and therefore not equivalent
substitute 0 for b into the second equation; resulting in 8=8 and therefore equivalent
substitute 0 for b into the second equation; resulting in 14=14 and therefore equivalent
Question 10
10.
Which solution shows that each pair of equations is equivalent.
substitute 5 for w into the second equation; resulting in -2=18 and therefore not equivalent
substitute 5 for w into the second equation; resulting in -2=-2 and therefore not equivalent
substitute 5 for w into the second equation; resulting in -2=-2 and therefore equivalent
Question 11
11.
Which solution shows that each pair of equations is equivalent.
substitute -2 for n into the second equation; resulting in 7=7 and therefore equivalent
substitute -2 for n into the second equation; resulting in -5=7 and therefore not equivalent
substitute -2 for n into the second equation; resulting in 7=7 and therefore not equivalent
Question 12
12.
Which solution shows that each pair of equations is equivalent.
substitute -1 for x into the second equation; resulting in 6=-4 and therefore not equivalent
substitute -1 for x into the second equation; resulting in -4=-4 and therefore equivalent
substitute -1 for x into the second equation; resulting in -5=-4 and therefore not equivalent