MiniTesting > Math > Linear Equations in One Variable

Linear Equations in One Variable

Test created at: 2019-01-19 by Igor; number of questions: 20.
If you are not ready, you could first read the literature (https://en.wikipedia.org/wiki/Linear_equation#One_variable, new window) and do the test later.

Average score for this test is: 82.8% calculated only from first attemts (4 pcs.), last one was: 2019-01-20.

Q1: Warm up question. Solve for the variable: 2 x = 4





Good answeres: 1

Q2: Select Linear Equations:






Good answeres: 2

Q3: Select Equations with only ONE variable:






Good answeres: 3

Q4: Select identity equation (true for any real number as variable)




Good answeres: 1

Q5: Select conditional equation (true for only some values of the variable):




Good answeres: 1

Q6: Select inconsistent equation (there is no solution for any variable):




Good answeres: 1

Q7: Solve the equation `(5x)/4+1=11`






Good answeres: 1

Q8: Solve the equation `(5x+1)/3=7`






Good answeres: 1

Q9: Solve the equation `(2x+1)/2+(x-1)/4=4`






Good answeres: 1

Q10: Find value of p: `2*p+1=3*p+2`






Good answeres: 1

Q11: Solve the equation: `(d^2*pi)/4=d*pi`






Good answeres: 1

Q12: What is the value of r in equation: `3*(r+3)=4*(1+r)`






Good answeres: 1

Q13: Solve the equation: −3+5+6g=11−3g





Good answeres: 1

Q14: 4 (x−3) + 12 = 15−5 (x+6)





Good answeres: 1

Q15: `x/2-x/3=8`





Good answeres: 1

Q16: Solve this: 0.16(5x-2) =0.4x +7





Good answeres: 1

Q17: `9/5*(3-x)=3/4*(x-3)`





Good answeres: 1

Q18: `(10x+2)/(2x+1)=8/2`






Good answeres: 1

Q19: 17−2k=2k+5+2k





Good answeres: 1

Q20: In 16 years, Tom will be 3 times as old as he is right now. How old is he now?





Good answeres: 1

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