First Semester E.C. Review

Front

Write an equation of the line with slope of (1/3) and y-intercept of -4.

Back

y = (1/3)x - 4

Front

Use the Law of Detachment: If I study for one hour each day, then I will score well on the exam. I will score well on the exam. What can we conclude?

Back

not possible

Front

If a whole number is even, then its square is divisible by 4. The number I am thinking of is an even number. What can we conclude?

Back

Then its square is divisible by 4.

Front

Two lines intersect at a ...

Back

point

Front

Solve for y: 2y + 5 = 25.

Back

y = 10

Front

What is the slope of the line represented by the equation y = 2x + 3?

Back

2

Front

What is the y-intercept of the line represented by the equation y = -4x + 1?

Back

1

Front

If a triangle has angles measuring 90 degrees and 45 degrees, what is the measure of the third angle?

Back

45 degrees

Front

What is the definition of a linear equation?

Back

An equation that makes a straight line when graphed.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.