Use a calculator’s simultaneous equations solver to find (x,y) that satisfy
2x+yx−y=9=3
Question 2
Skill question
Use a calculator’s simultaneous equations solver to find (x,y) that satisfy
3x−2y4x+y=7=18
Question 3
Skill question
Application. Find the intersection point of the lines y=2x+1 and y=−x+10 using a calculator’s simultaneous equations solver.
Question 4
Skill question
Use a calculator’s simultaneous equations solver to find (x,y,z) that satisfy
x+y+z2x−y+3z3x+4y−z=6=9=8
Question 5
Skill question
Application. A student buys 3 notebooks and 2 pens for $13, while another buys 2 notebooks and 5 pens for $16. Let n be the price of a notebook and p the price of a pen (in dollars). Use a calculator’s simultaneous equations solver to find n and p.
Question 6
Skill question
Use a calculator’s simultaneous equations solver to find (x,y) that satisfy
0.3x+1.2y1.5x−0.9y=3.3=2.7
Question 7
Skill question
Use a calculator’s simultaneous equations solver to find (x,y,z) that satisfy
1.5x+y−2z−x+0.5y+z2x+3y+4z=1=−2=3
Question 8
Skill question
Use a calculator’s simultaneous equations solver to determine whether the system has a solution. If so, find (x,y,z); if not, state that there is no solution.
x−2y+z2x+y−3z−3x+y+2z=−5=−4=10
Question 9
Skill question
Application. The prices (in dollars) of an apple a, a banana b, and a cup of cherries c satisfy
2 apples, 1 banana, 1 cup of cherries cost $9.
1 apple, 2 bananas, 3 cups of cherries cost $14.
3 apples, 1 banana, 2 cups of cherries cost $13.
Use a calculator’s simultaneous equations solver to find (a,b,c).
Question 10
Skill question
Use a calculator’s simultaneous equations solver to find (x,y,z) that satisfy