Practice Flashcards: SAT Math — systems of two linear equations | Zestly

Question 1

Elimination method

Accepted Answer

A method to solve a system by adding or subtracting equations to remove one variable.

Question 2

Substitution method

Accepted Answer

A method to solve a system by expressing one variable in terms of the other and substituting it into the second equation.

Question 3

Parallel lines condition

Accepted Answer

A system has no solution if the ratios of the coefficients of $x$ and $y$ are equal, but the ratio of the constants is different.

Question 4

Identical lines condition

Question 5

Why match coefficients?

Question 6

Why constants matter

Question 7

Combining equations

Question 8

System of equations

Question 9

Linear equation form

Question 10

No solution indicator

Question 11

Infinitely many solutions indicator

Question 12

Solving for a combination