Algebra 1 Review Flashcardizz

Front

What is the slope of a line?

Back

The slope of a line is a measure of its steepness, typically represented as 'm'. It is calculated as the change in y divided by the change in x (rise/run).

Front

How do you find the slope from two points (x1, y1) and (x2, y2)?

Back

The slope (m) is calculated using the formula: m = (y2 - y1) / (x2 - x1).

Front

What does the inequality -4x - 7 ≥ 21 represent?

Back

This inequality represents a range of values for x that satisfy the condition when graphed on a number line.

Front

How do you solve the inequality -4x - 7 ≥ 21?

Back

Add 7 to both sides: -4x ≥ 28. Then divide by -4 (remember to flip the inequality): x ≤ -7.

Front

What is the range of a function?

Back

The range of a function is the set of all possible output values (y-values) that the function can produce.

Front

How do you determine the range from a graph?

Back

Identify the lowest and highest points on the y-axis that the graph reaches; this gives the range.

Front

What does the equation 3(x - 2) = 18 represent?

Back

This is a linear equation that can be solved to find the value of x.

Front

How do you solve the equation 3(x - 2) = 18?

Back

Distribute: 3x - 6 = 18. Add 6 to both sides: 3x = 24. Then divide by 3: x = 8.

Front

What is a y-intercept?

Back

The y-intercept is the point where a line crosses the y-axis, represented as (0, b) where b is the y-value.

Front

How do you find the y-intercept from an equation?

Back

Set x = 0 in the equation and solve for y.