Things To Know For Staar Algebra I Eoc And Taks

Front 1

How do you tell whether a graph is the graph of a function?

Back 1

Vertical Line Test

Front 2

____________is the set of all input (x-) values you can plug into a function.

Back 2

independent / domain

Front 3

The ______ is the set of all output (y-) values you can get out of a function

Back 3

dependent / range

Front 4

A _______ is a relationship where every input value (x) has one and only one output value (y).

Back 4

function

NO X REPEATS

Front 5

The variable that depends on another variable is called the _____________________variable.

Back 5

dependent

Front 6

The "x" variable is usually the independent/dependent variable. (Circle one.)

Back 6

independent

Front 7

If the amount of your paycheck depends on the number of hours you work, then___________is the independent variable.

Back 7

number of hours you work

-hours change the amount of money on your paycheck

Front 8

The parent function for linear functions is y = _______

Back 8

y = x
- slope is: 1
- goes through the origin (0, 0)

Front 9

In the slope-intercept form of a line, y = mx + b, b represents the_____________.

Back 9

b: y-intercept
begin here
first name is 0 (0, b)

Front 10

In the slope-intercept form of a line, m represents the____________.

Back 10

m: slope
move according to this

Front 11

Slope is the ratio of ____ over _______.

Back 11

rise over run
change in y over change in x

Front 12

If a line decreases from left to right, then the slope is ______________.

Back 12

negative

fall / crawl

Front 13

If a line increases from left to right, then the slope is _______________.

Back 13

positive

rise / run

Front 14

A vertical line has _______________slope.

Back 14

undefined

vertical line is x = #

Front 15

A horizontal line has ________________slope.

Back 15

zero

horizontal line is y = #

Front 16

"Rate of change" is another term for ____________.

Back 16

slope

Front 17

Opposite-reciprocal sloped lines are parallel/perpendicular. (Circle one.)

Back 17

perpendicular

Flip and Change sign

Front 18

Equally sloped lines are parallel/perpendicular. (Circle one.)

Back 18

parallel

Keep the slope

Front 19

The lines y = - _1 x + 3 and y=-2x-7 are parallel/perpendicular/neither. (Circle one.)

Back 19

niether

y = - _1 x + 3 y=-2x-7
m = -1 m = -2

Front 20

The parent function for quadratic functions is y =

Back 20

y = x squared

Front 21

The standard form of a ___________________ function is y = ax2 + bx + c

Back 21

quadratic

Front 22

In the function y = ax2 + c, if "a" is negative, the parabola opens ___________________.

Back 22

-a: parabola opens downward

Front 23

In the same function, if "a" is positive, the parabola has a maximum / minimum value. (Circle one.)

Back 23

+a opens upward:
has minimum value

Front 24

In the same function, the larger is lal, the wider/narrower the parabola. (Circle one.)

Back 24

narrower

Front 25

In the same function, the "c" tells us _________________________.

Back 25

y = ax^2 + c
C tells us y-intercept
Maximum: -a
minimum: +a

Front 26

When solving linear/quadratic equations, we try to get "y" by itself. (Circle one.)

Back 26

linear

Front 27

When solving linear/quadratic equations, we set the equation equal to zero before solving.

Back 27

quadratic

Front 28

When solving linear inequalities, we must not forget to ___________ , whenever we multiply or divide by a negative number.

Back 28

flip the inequality sign

Front 29

To check answers in our calculator, we might want to use the __________ function. a. test b. calculate c. table

Back 29

all of the above

Front 30

. When solving proportion problems, we should __________________.

Back 30

cross multiply and divide - butterfly

Front 31

The graph of a linear function is a ____________________

Back 31

line

Front 32

The graph of a quadratic function is called a ___________________.

Back 32

parabola (U)

Front 33

______________is the distance around a shape

Back 33

perimeter / circumference

Front 34

________covers the shape.

Back 34

area

Front 35

In an ordered pair, the first number is the ___-value and the second number is the ___ -value.

Back 35

the first number is the x value
the second number is the y -value.
(x,y)

Front 36

When graphing ordered pairs, we first move left & right or up & down. (Circle one.)

Back 36

Always start at the origin (0,0)
(x, y): left and right
- x: left
+x: right

From the x location
-y: down
+y: up

Front 37

The point (0,10) is called a ___-intercept

Back 37

y intercept
first name is 0

Front 38

. The perimeter formula for a rectangle is__P = _____________________.

Back 38

P = 2(l + w)
P = 2l+ 2w

or A.A.S.

Front 39

To find an x-intercept from an equation, we ________________________________.

Back 39

use the box
or
set y = 0 and solve for x

Front 40

To find a y-intercept from an equation, we_________________________________.

Back 40

use the box
or
set x = 0 and solve for y

Front 41

We can tell if a function is linear by seeing if the __________stays the same.

Back 41

slope or rate of change

Front 42

When multiplying exponential expressions with the same base, we _______ the exponents.

Back 42

add the exponents

Front 43

When raising a power to a power, we _______the exponents.

Back 43

multiply the exponents

Front 44

When dividing exponential expressions with the same base, we ______________ the exponents.

Back 44

subtract the exponents

Front 45

Any base raised to the zero power is __________________.

Back 45

1

Front 46

When multiplying two binomials, we _____________________.

Back 46

use the calculator

Front 47

x + x =_________.

Back 47

2x

Front 48

x • x =________.

Back 48

x^2

Front 49

(x+2)(x-5)= .

Back 49

double distribute

Front 50

Constant of variation is the same thing as the _________________________________.

Back 50

slope

Front 51

What is the solution of a system of equations if when graphed:
a) the lines cross?______________________________

Back 51

one solution (where lines cross)
2nd
Trace
5
Enter (3 times)

Front 52

What is the solution of a system of equations if when graphed:

b) the lines are parallel?__________________________

Back 52

no solution

Front 53

What is the solution of a system of equations if when graphed:

c) the lines are the same?________________________

Back 53

many
slopes =
and
y-intercepts =

Front 54

________________depends on _________________.

0r
_______________ is a function of _______________.

Back 54

y depends on x
dep depends on ind


y is a function of x.

Front 55

. Discrete / Continuous data is represented by dots on a graph. (circle one)

Back 55

Discrete