Mathematics, 24.04.2021 09:10 jalenshayewilliams
1. Which is an example of the Symmetric Property? (1 point)
if 3x + 2 = a + 6, then a + 6 = 3x + 2
if a = b and b = 5, then a = 5
if y = 6, then y + 12 becomes 6 + 12
x + 2 = x + 2
2. To properly use the Addition Property of Equality what number would have to be added in the equation, 14 = x β 6 ? (1 point)
β14
14
β6
6
3. The Reflexive Property of Equality says: (1 point)
for any numbers a and b, if a = b then b = a
for any numbers a, b, and c, if a = b then a β c = b β c
for any numbers a, b, and c, if a = b then a + c = b + c
for any number a, a = a
4. The equation y β 9 + 9 = β17 + 9 is an example of which property of equality? (1 point)
Substitution Property of Equality
Addition Property of Equality
Reflexive Property of Equality
Symmetric Property of Equality
5. Evaluate the expression 3x + (z + 2y) β 12, if x = 3, y = 8 and z = 5. (1 point)
β116
18
53
42
6. If a = 6, b = 3, and c = 7, evaluate the following expression:
start fraction 3 left parenthesis 4 a minus 3 c right parenthesis over c minus 4 end fraction (1 point)
84
147
3
one-third
7. Solve the equation 2x + 4 = 8. x = ? (1 point)
2
one-half
6
0
8. Find the solution to the equation x β 4 = 12. x = ? (1 point)
β8
β16
8
16
9. For which equation is the solution 6? (1 point)
x + 6 = 10
4x = 24
x β 6 = 12
xoverfourequals24
10. Solve:
explmathfinal_10 (1 point)
14
6
24
56
11. A doctor recommended that a patient take eight tablets on the first day and 4 tablets each day thereafter until the prescription was all used. The prescription contained 28 tablets. Use the equation 8 + 4d = 28 to find how many days Marcie will be taking pills after the first day. (1 point)
d = 5
d = 9
d = β9
d = β5
12. Order the following from least to greatest: {7, β11, 0, 10, β3} (1 point)
{0, β3, β11, 7,10}
{β11, 0, β3, 7, 10}
{β11, β3, 0, 7, 10}
{β3, β11, 0, 7, 10}
13. Add: |β20| + |3| (1 point)
17
60
23
β17
14. The Flower Bouquet flower shop charges $1.50 for placing an order and $0.50 for each flower ordered. Which equation could be used to find n, the number of flowers purchased if the total bill was $9. (1 point)
$9 = (0.50 + 1.50)n
0.50n + 1.50 = $9
$9 = 50n + 1.50
0.50 n + 1.50n = $9
15. The distance from City A to City B is 256.8 miles. The distance from City A to City C is 739.4 miles. How much farther is the trip to City C than the trip to City B? (1 point)
483.6 mi
583.5 mi
996.2 mi
482.6 mi
16. Multiply: β23 β’ β14 = (1 point)
322
β322
β37
37
17. Divide: β54 Γ· +9 = (1 point)
β486
+6
+486
β6
18. The absolute value of 14 is ?
|14| = ? (1 point)
β14
0
28
14
19. Which statement is not true? (1 point)
β6
0 > β1
β8
β6 > 6
20. Multiply: β13 β’ β5 = (1 point)
β65
β8
+65
+8
PLEASEE HELP!!
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1. Which is an example of the Symmetric Property? (1 point)
if 3x + 2 = a + 6, then a + 6 = 3x + 2...
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