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Section 6.2

Dec 18, 2012

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Section 6.2 Objectives. Use the method of elimination to solve systems of linear equations in two variables.Interpret graphically the numbers of solutions of systems of linear equations in two variables.Use systems of equations in two variables to model and solve real-life problems.. To solve a

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Section 6.2

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Section 6.2—Concentration

Section 6.2—Concentration. How do we indicate how much of the electrolytes are in the drink?. Concentrated versus Dilute. solvent. solute. Lower concentration Not as many solute (what’s being dissolved) particles. Higher concentration More solute (what’s being dissolved) particles.

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Section 6.2

Section 6.2. Angles of Polygons. Theorems. Thm 6.1: Polygon Interior Angles Thm The sum of the measures of the interior angles of a convex n- gon is (n-2) 180° Corollary to Thm 6.1 The measure of each interior angle of a regular n- gon is (n-2)180 n

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Section 6.2

Section 6.2 . Rates. Topics Covered. Definition of a Rate Unit Rates Unit Cost Applications of Rates. Definition of a Rate. A rate is a type of ratio used to compare different types of quantities. Several key words imply rates ; per a miles per b hours For a dollars for b pounds

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SECTION 6.2

SECTION 6.2. SYSTEMS OF LINEAR EQUATIONS: MATRICES. Solving Systems Using Matrices. 3 x 3 Systems are difficult enough. What if you had a system of 100 equations and 100 unknowns?!!!. What is a matrix?. A matrix is a collection of numbers arranged in rows and columns.

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Section 6.2

Section 6.2. Factoring Trinomials of the Form x 2 +bx+c. Factoring Trinomials of the Form x 2 + bx + c. Factor trinomials of the form x 2 + bx + c Factor out the greatest common factor and then factor a trinomial of the form x 2 + bx + c. Factoring Trinomials of the Form x 2 + bx + c.

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Section 6.2

Section 6.2. Spatial Relationships. Figures in Space. Closed spatial figures are known as solids . A polyhedron is a closed spatial figure composed of polygons, called the faces of the polyhedron. The intersections of the faces are the edges of the polyhedron.

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Section 6.2

Section 6.2. Review of Power Series; Power Series Solutions. REVIEW OF POWER SERIES. 1. An infinite series is called a power series in ( x − a ) or a power centered at a .

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Section 6.2

Section 6.2. Differential Equations. A differential equation is an equation involving a derivative (slope). A solution to a differential equation is a function whose derivative is the differential equation. Example 1. Find the general solution to each differential equation. a . y êžŒ = 2.

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Section 6.2

Section 6.2. What You’ll Learn. How to distinguish between unilateral and bilateral mistakes (pp. 133 and 135) How to recognize the types of mistakes that will allow rescission of a contract (p. 134). What You’ll Learn. How to recognize the requirements of economic duress (p. 137)

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Section 6.2

Section 6.2. Polynomials and Linear Factors. Polynomials and Linear Factors. ALGEBRA 2 LESSON 6-2. (For help, go to Lessons 5-1 and 5-4.). Factor each quadratic expression. 1. x 2 + 7 x + 12 2. x 2 + 8 x – 20 3. x 2 – 14 x + 24 Find each product.

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Section 6.2

With a few little improvements and extras by D.R.S, University of Cordele. Section 6.2. Finding Area under a Normal Distribution IMPORTANT: “Area” is “_____________” IMPORTANT: “Probability” is “_________”.

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Section 6.2

Section 6.2. Suppose X 1 , X 2 , …, X n are observations in a random sample from a N ( ,  2 ) distribution. Then,. Suppose X 1 , X 2 , …, X n are observations in a random sample from a N ( ,  2 ) distribution. Then,. X –  ——— has a distribution.  / n. X – 

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Section 6.2

Section 6.2. Classification of the Elements. Objectives. Explain why elements in the same group have similar properties. Identify the 4 blocks of the periodic table based on electron configuration. The Periodic Table. Period 1 hydrogen 1s 1 Period 2 lithium 1s 2 2s 1

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Section 6.2

Section 6.2. The Number of Elements in a Finite Set. The Number of Elements in a Set. The number of elements in a set A is denoted n ( A ). Ex. Given. n ( A ) = 4. Since the union doesn’t count a and h twice. Notice. This leads to. Overlap is subtracted. Venn Diagram.

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Section 6.2—Concentration

Section 6.2—Concentration. How do we indicate how much of the electrolytes are in the drink?. Objectives: Calculate concentrations in percent concentration and molarity Calculate the concentration of electrolytes in solutions of ionic compounds. Concentrated versus Dilute. solvent. solute.

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SECTION 6.2

THE STANDARD NORMAL DISTRIBUTION. SECTION 6.2. NORMAL PROBABILITY DISTRIBUTION. The mean, median and mode are the same. The distribution is bell-shaped and symmetrical around the mean. The total area under the curve is equal to 1.

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Section 6.2

Section 6.2. Confidence Intervals for the Mean (Small Samples). Section 6.2 Objectives. Interpret the t- distribution and use a t -distribution table Construct confidence intervals when n &lt; 30, the population is normally distributed, and σ is unknown. The t -Distribution.

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Section 6.2

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