Grade 8 FAST MATH Review

Front

What is the solution to the equation 3x + 2(4x - 4) = 3?

Back

x = 1

Front

How many solutions does the system of equations have if it intersects at one point?

Back

One

Front

What is the solution to the system of equations if the answer is (1,3)?

Back

(1,3)

Front

What is the formula to calculate the distance between two points (x1, y1) and (x2, y2)?

Back

Distance = √((x2 - x1)² + (y2 - y1)²)

Front

If Jenna has $141 and earns $32 per day, which equation represents her total savings after x days of work?

Back

y = 32x + 141

Front

What does it mean if a system of equations has no solution?

Back

The lines are parallel and do not intersect.

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

How do you find the y-intercept of a linear equation?

Back

Set x = 0 and solve for y.

Front

What is the significance of the slope in a linear equation?

Back

It represents the rate of change of y with respect to x.

Front

What does it mean if a system of equations has infinitely many solutions?

Back

The equations represent the same line.