EQAO Grade 9 Math Systems of Linear Equations in Two Variables — practice questions
23 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice EQAO Grade 9 Math Systems of Linear Equations in Two Variables in the app →Two rules are written using the same two unknowns, and both have to hold at the same time. What is that pair oWhat counts as the solution to a system of two linear rules in two unknowns?Check the pair x = 4, y = 3 against this system: 2x + 5y = 23 and 3x - y = 9.The two lines drawn from a system meet at exactly one point on the grid. What is the system called, and how maThe two lines drawn from a system are parallel and never meet, however far they are extended. What does that sThe two rules in a system turn out to describe the very same line. How many pairs of values solve the system?Written in the form y = mx + b, the two rules in a system share the same value of m but have different values Adding the two rules of a system to remove one unknown leaves the statement 0 = 0. What does that ending mean?Working through a system by substitution leaves the statement 9 = 13. What does that ending mean?Both rules of a system are drawn on one grid, and the lines cross at the point (2, 5). What is the solution toThe solution to a system works out to a value such as 11 over 2. Why is reading it off a drawn grid a poor wayWhat is the first step of the substitution method for a system of two rules in two unknowns?Substitution is easiest when one of the two rules has a particular feature. What is that feature?Solve this system by substitution: y = x - 4 and 3x + 2y = 22.In the addition method, what makes one of the two unknowns disappear when the rules are added together?In the system x + 3y = 11 and 2x - y = 8, by what number should the first rule be multiplied so that adding thIn the system 2x + 3y = 12 and 5x + 4y = 23, which pair of multipliers clears x when the two rules are then adOne rule in a system contains the fractions x over 3 and y over 6. What is the tidiest first move before solviA pair of values has been worked out for a system. What is the safest way to be sure it is right?How many rules are needed at the very least before a system in two unknowns can have a single solution?Can a system of two linear rules in two unknowns have exactly two solutions?One rule of a system reads 2x + 6y = 10 and the other reads x + 3y = 5. What kind of system is this?Solve this system by adding the rules: 4x + y = 19 and 4x - 3y = 7.