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Worksheet: Cramer's Rule
Q3:
William is solving simultaneous equations using Cramerβs rule. He writes down
What does he write down for ?
- A
- B
- C
- D
- E
Q4:
Solve the simultaneous equations
- A , ,
- B , ,
- C , ,
- D , ,
- E , ,
Q5:
Use determinants to solve the system
- A ,
- B ,
- C ,
- D ,
- E ,
Q6:
Use determinants to solve the system
- A ,
- B ,
- C ,
- D ,
- E ,
Q7:
11 sketchbooks and 15 crayons cost 377 LE, and 15 sketchbooks and 16 crayons cost 474 LE. Use Cramerβs rule to find the price of a sketchbook and the price of a crayon.
- AA sketchbook costs 22 LE and a crayon costs 1β078 LE.
- BA sketchbook costs 441 LE and a crayon costs 1β078 LE.
- CA sketchbook costs 441 LE and a crayon costs 9 LE.
- DA sketchbook costs 22 LE and a crayon costs 9 LE.
- EA sketchbook costs 9 LE and a crayon costs 2.70 LE.
Q8:
Use determinants to solve the system
- A ,
- B ,
- C ,
- D ,
- E ,
Q9:
Use determinants to solve the system
- A ,
- B ,
- C ,
- D ,
- E ,
Q10:
Use Cramerβs rule to solve the simultaneous equations
- A , ,
- B , ,
- C , ,
- D , ,
- E , ,
Q11:
Use determinants to solve the system
- A
- B
- C
- D
- E
Q12:
True or False: Suppose that is a system of equations with . The solution vector is
- AFalse
- BTrue
Q13:
Use determinants to solve the system
- A ,
- B ,
- C ,
- D ,
- E ,
Q14:
Use determinants to solve the system
- A ,
- B ,
- C ,
- D ,
- E ,
Q15:
Is Cramerβs rule useful for finding solutions to systems of linear equations in which there is an infinite set of solutions?
- Ano
- Byes
Q16:
Use determinants to solve the system
- A , ,
- B , ,
- C , ,
- D , ,
- E , ,
Q17:
Use determinants to solve the system
- A , ,
- B , ,
- C , ,
- D , ,