Algebra I Midterm Review. Simplify. 1.) 2.) Simplify. 3.) 4.)

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Presentation transcript:

Algebra I Midterm Review

Simplify. 1.) 2.)

Simplify. 3.) 4.)

Simplify. 5.)

Simplify. 1.) 2.)

Simplify. 3.) 4.)

Simplify. 5.)

Evaluate. x = 0 y = -3 z = 2 1.) 2.)

Evaluate. x = 0 y = -3 z = 2 3.) 4.)

Evaluate. x = 0 y = -3 z = 2 5.)

List the subsets for each real number. 1.) ) Real - R Irrational - Ir Rational - Q Integer - I Whole - W Natural - N

List the subsets for each real number. 3.) 4.) 4 Real - R Irrational - Ir Rational - Q Integer - I Whole - W Natural - N

List the subsets for each real number. 5.) … Real - R Irrational - Ir Rational - Q Integer - I Whole - W Natural - N

Properties of Real Numbers Which properties apply? Commutative Property of Addition Commutative Property of Multiplication Associative Property of Addition Associative Property of Multiplication Identity Property of Addition Identity Property of Mult. Inverse of Addition Inverse of Multiplication 1.) = 0 2.) =

Properties of Real Numbers Which properties apply? Commutative Property of Addition Commutative Property of Multiplication Associative Property of Addition Associative Property of Multiplication Identity Property of Addition Identity Property of Mult. Inverse of Addition Inverse of Multiplication 3.) 4.) x + 0 = x

Solve.

Solve for the indicated variable. A = bh, for b

Solve for the indicated variable. P=2l + 2w, for w

Solve for the indicated variable. y = mx + b, for x

Solve for the indicated variable. -2x + 4y = 8, for y

Solve for the indicated variable. -x – y + 5 = 0 for x

Graph the inequality:

Solve and graph the inequality: x – x > 3

Solve and graph the inequality: -5x + 3 < 6 – 4x

Solve and graph the inequality:

What is this number as a decimal?

What is 9.56 as a percent?

What is 0.56 as a fraction?

2 is what percent of 40?

What percent of 12 is 4?

What is 85% of 200?

Solve:

Jake can read 20 pages in 1 hour. At this rate, how many hours will it take him to read a 240 pages?

What is the slope of the line containing the points (-5, 6) and (-5, -7)?

What is the slope of the line containing the points (2,9) and (3, -9)?

What is the slope of the line with the equation y = – x - 12?

What is the slope of the line with the equation 3 – 4y = 2x?

What is the y-intercept of the line with the equation

What is the slope and y- intercept of the line with the equation:

Write the equation of the line parallel to y = + 5 with a y- intercept of (0, -1).

Write the equation of the line perpendicular to y = 2x - 6 with a y-intercept of (0, 2).