Algebra 1 Midterm Review

Front

Which linear equation represents a line containing the point (2, 5)?

Back

3x + y = 11

Front

Give the x-intercept of the equation 3x + 8y = 24.

Back

(8, 0)

Front

Given f(x) = -4x - 10 and f(x) = 10. Find x.

Back

x = -5

Front

Mario has an iTunes gift card worth $20.00. He uses the formula y=0.99x to determine y, the total cost for x number of songs. What is the domain for the situation?

Back

All integers between 0 and 20

Front

Which set of values is a function? (9,5) (10,5) (9,-5) (10,-5), (3,4) (4,-3) (7,4) (3, 8), (6,-5) (7, -3) (8, -1) (9, 1), (2, -2) (5, 9) (5, -7) (1, 4)

Back

(6,-5) (7, -3) (8, -1) (9, 1)

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 slope between two points (x1, y1) and (x2, y2)?

Back

Slope (m) = (y2 - y1) / (x2 - x1).

Front

What is the definition of a function?

Back

A relation where each input has exactly one output.

Front

What is the quadratic formula used to find the roots of a quadratic equation?

Back

x = (-b ± √(b² - 4ac)) / (2a).

Front

What does it mean for two lines to be parallel?

Back

They have the same slope and will never intersect.