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Mathematics, 01.07.2019 06:00 BigDaddy1220
(07.02 mc) what is the value of y in the equation 2(2y β 12) = 0? (5 points) 4 6 7 8 4. (07.03 lc) how many solutions does the equation 6z β 3z β 7 = β2 + 3 have? (5 points) two none infinitely many one 5. (07.03 lc) the steps below show the incomplete solution to find the value of y for the equation 4y β 2y β 4 = β1 + 13: step 1: 4y β 2y β 4 = β1 + 13 step 2: 4y β 2y β 4 = 12 step 3: 2y β 4 = 12 which of these is most likely the next step? (5 points) 2y = 3 2y = 8 2y = 16 2y = 18 6. (07.03 mc) what is the value of z in the equation 2(4z β 3 β 1) = 166 β 46? (5 points) 14 15 16 17 7. (07.05 lc) what is the value of x in the equation βx = 2 β 3x + 6? (5 points) 8 4 β4 β8 8. (07.05 lc) how many solutions does the equation 4s + 8 = 3 + 5 + 4s have? (5 points) two none one infinitely many 9. (07.05 mc) which of these is a simplified form of the equation 6y + 4 = 8 + 2y + 2y? (5 points) 6y = 8 10y = 12 2y = 4 4y = 12 10. (07.05 hc) the work of a student to solve the equation 3(2x β 4) = 8 + 2x + 6 is shown below: step 1: 3(2x β 4) = 8 + 2x + 6 step 2: 5x β 7 = 14 + 2x step 3: 5x β 2x = 14 + 7 step 4: 3x = 21 step 5: x = 7 in which step did the student first make an error and what is the correct step? (5 points) step 2; 6x β 12 = 14 + 2x step 2; 6x β 7 = 2(6 + x + 4) step 3; 5x β 2x = 14 β 7 step 3; 5x + 2x = 14 + 7 11. (07.06 lc) which statement is true about the equation fraction 3 over 4z = fraction 1 over 4z β 3 + 5? (5 points) it has no solution. it has one solution it has two solutions. it has infinitely many solutions. 12. (07.06 mc) what is the solution to the equation 1.6m β 4.8 = β1.6m? (5 points) m = 0.5 m = 0.7 m = 1.5 m = 3
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(07.02 mc) what is the value of y in the equation 2(2y β 12) = 0? (5 points) 4 6 7 8 4. (07.03 lc)...
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