algebra 2

Three consecutive even numbers has a sum of 90. What is the second consecutive even number?

30

Find the distance between J (2,-5) and B(-1, -9)

5 units

determinant of 3x3: 3 7 7 2 6 8 5 4 9

66

What property of Matrix Addition is " A + B = B + A"

commutative

In the equation: y = 2x + 10, what is the value of x - intercept?

(-5,0)

What is the midpoint of U (3, 5) and P (9, 11)?

(6,8)

Find the distance between S (0,10) and G (0, 4)?

6 units

In graphing systems of linear inequalities, what should we do first?

find the slope for each inequalities

What property of Matrix Addition is " A + 0 = 0 + A = A"

identity

In addition or subtraction operations in algebraic expressions, we can only combine ________.

like terms

It is a kind of graph that is not linear but could be used to determine the trend of the data in a cartesian plane

scatter plot

Solve: 2(x + 2) > 3x -6 (x -2)

x>8/5

Find the slope intercept from of an equation passing through (3,2) with a slope of 4.

y=4x-10

In graphing inequalities and there is a greater than, the shade should be _______.

above the line

name the property: 13x+10y=10y+13x

commutative property

Which of the following is the best way to show the answer in systems of linear inequalities?

elimination

It is a rectangular array of numbers

matrix

A function with more than one functions

piece wise function

In systems of linear inequalities, the _____ are the intersections of the graphs of the inequalities

solutions

In systems of linear inequalities, there will be no solution if __________.

there are no intersections of the graphs

Solve the system of linear equation using substitution: x + y = 10 2x + 3y = 25

x=5 y=5

Which of the following inequality shows this graph? (0,1) and (-0.5,0)

y>2x+1

Which of the following shows coordinates of a function? Multiple Choice | 1.00pts (3, 1), (0, 7), (3,5), (5,3), (2, 1) (3,0), (5, 7), (2, 9), (2,3), (3,2) (4, 0) (5, 4), (6,4), (4, 4), (0,4) (3, 7), (-5, 4), (-3, 4), (10, 6), (5, 9)

(3, 7), (-5, 4), (-3, 4), (10, 6), (5, 9) (the first number cannot have a duplicate)

In the equation: |x + 3| < 5, what is the value of x?

-2<x<8

the determinant of: 3 6 5 9

-3

Use this Piece wise Function: F(x) =3x + 1, if x < - 1 2x - 5, if x ≥ -1 Evaluate f (-12)

-35

Simplify the expression: 3 (4 -6) +4 (-24 / 6) - 2 (7-10)2

-40

determinant of 2x2: -1 2 2 3

-7

determinant of 3x3: -5 1 4 1 -5 -4 -2 1 -1

-72

In the equation: |2x -10| + 2 < 12 , what is the value of x?

0<x<10

Use this Piece wise Function: F(x) =3x + 1,if x < - 1 2x - 5,if x ≥ -1 Evaluate f (12)

19

multiply: 3 3 5 and---- 3 6 2 9

1x2 matrix

multiplication of: 3 3 5 and--- 1 2 3 4 5 7

1x3 matrix

Which of the following is an example of a linear equation? Multiple Choice | 1.00pts f(x) = x + 6 3x + 6 = 2x^2+ 4 3(x + 2) = 1 x^3= 1

3(x+2)=1

simplify the given: (3xy)^2/4y(4x)^2

36x^4y

simplify the given: (3x62yz)^0+3z

3z+1

determinant of: 9 7 2 2

4

inverse: 1 2 3 4

4 -3 -2. 1

How many liters of 50% alcohol solution should be added to 20 liters of 30% alcohol solution to make a 20% solution?

6.67 liters

Simplify the expression: (3 + 4) - (9 - 10)

8

subtract (A-C) A= 0 -1 8 6 -14 2 9 5 1 C= -5 2 0 7 -3 4 -1 3 2

B) 5 -3 8 -1 -11 -1 10 2 -1

Describe the given: 3x^2+4 ----- options: Linear Expression Cubic Expression Linear Equation Quadratic Expression

Quadratic expression

What is the other term for ≥ (greater than or equal to)?

at least

The determinant of a 2 x 2 matrix is the difference of the products of the minor and major _______?

diagonals

How many donuts must she need to sell for the day?

donuts: at least 90

Beverly is selling egg pies for 20 pesos each and donuts for 10 pesos each to make some money. She needs to make 1000 pesos for the day. How egg pies must she need to sell for the day?

egg pies: at least 50

which of the following cannot be represented by a ratio of integers

irrational numbers

A function that shows a straight line

linear function

Given the following points, what is the slope of: A (1,6) and B (5,-10) ?

m=-4

In the equation: y = 3x+ 12 what is the value of slope?

m=3

inverse: 5 3 10 6

none above because the determinant is 0

Which of the following is always considered accurate? The product of two odd numbers is always an even number. The product of two even numbers is always an even number. The quotient of two integers is an irrational number. The sum of two even numbers is an odd number.

the sum of two even numbers is an odd number

In the systems of linear equality, if two lines have the same slope it means that ________.

they don't have any solution

In the equation: |8x - 6(x-4)| = 10 what is the value of x?

x=-7,-17

Solve the system of linear equations using elimination: x + y = 1 2x - y = 2

x=1 y=0

Solve the system of linear equation: x + y = 3 2x + z = 5 x + z = 4

x=1 y=2 z=3

Solve the system of linear equation using substitution: x + y = 1 2x + y = 7

x=6 y=-5

In the equation: 3x + 2b = 8b - 5ax, what is the value of x?

x=6b/(5a+3)

In the equation: 3(x+ 5) = 6(x -2), what is the value of x?

x=9

Which of the following inequality shows this graph ? (0,-2) and (2,0)

y_>x-2