Читать книгу Algebra I All-in-One For Dummies - Mary Jane Sterling, Mary Sterling Jane - Страница 5

1 Chapter 1FIGURE 1-1: A number line from 0 to 5 with half-unit increments.FIGURE 1-2: A number line from –10 to 10 with one-unit increments.

2 Chapter 2FIGURE 2-1: A number line.FIGURE 2-2: Another number line.FIGURE 2-3: Positive and negative numbers on a number line.

3 Chapter 8FIGURE 8-1: Finding the prime factors using a tree.

4 Chapter 9FIGURE 9-1: Pascal’s Triangle can help you find powers of binomials.

5 Chapter 19FIGURE 19-1: The graphs of greater-than and less-than-or-equal-to.FIGURE 19-2: A graph of the inequality.FIGURE 19-3: A graph of the interval.FIGURE 19-4: A graph of the inequality.FIGURE 19-5: A graph of the interval.FIGURE 19-6: A graph of an inequality.FIGURE 19-7: A graph of an inequality.FIGURE 19-8: A number line helps you find the signs of the factors and their pr...FIGURE 19-9: Filling in the signs between the critical numbers.FIGURE 19-10: The sign changes at each critical number in this problem.FIGURE 19-11: The sign of the quotient is shown.FIGURE 19-12: The 1 and –1 are included in the solution.

6 Chapter 20FIGURE 20-1: Triangulating the “right” way.

7 Chapter 21FIGURE 21-1: Fencing three sides of the field.FIGURE 21-2: Volume is determined by multiplying length, width, and height.FIGURE 21-3: Some people believe pyramids have preservation powers.FIGURE 21-4: Basketballs, globes, planets, and sometimes oranges are spheres.FIGURE 21-5: The diameter is the longest distance across a circle.FIGURE 21-6: The corral along a river.FIGURE 21-7: ABC is similar to DEF.FIGURE 21-8: Trapezoidal room.

8 Chapter 23FIGURE 23-1: Visualizing containers can help with mixture problems.FIGURE 23-2: Assigning prices and pounds.

9 Chapter 24FIGURE 24-1: Identifying quadrants.FIGURE 24-2: Graphing .FIGURE 24-3: Horizontal lines are parallel to the x-axis.FIGURE 24-4: When all the x-coordinates are the same, you get a vertical line.FIGURE 24-5: Pick a line — see its slope.FIGURE 24-6: Horizontal lines have a 0 slope. Vertical lines have an undefined ...FIGURE 24-7: Parallel lines are like railroad tracks; perpendicular lines meet ...

10 Chapter 25FIGURE 25-1: The intersection of two lines at a point (1,–2).FIGURE 25-2: The simplest parabola.FIGURE 25-3: A steeper parabola and a flatter parabola.FIGURE 25-4: Parabolas spooning.FIGURE 25-5: Pretty parabolas all in a row.FIGURE 25-6: The circle has a radius of 5.FIGURE 25-7: The x-intercepts and the graph of the polynomial.FIGURE 25-8: The intercepts help with the graph of the polynomial.FIGURE 25-9: Use a dashed line when the line is not included.FIGURE 25-10: The origin is included in the solution.FIGURE 25-11: The negative values are flipped over the x-axis.FIGURE 25-12: The 2 multiplier steepens the graph.FIGURE 25-13: Parabolas galore.