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Yanka [14]
3 years ago
10

Evaluating Quadratic Functions Using a Graph

Mathematics
2 answers:
Novosadov [1.4K]3 years ago
7 0

Answer:

f(-4)= 6

f(0)= -6

f(1)= -4

Step-by-step explanation:

inna [77]3 years ago
7 0

Answer:

f(-4)= 6

f(0)= -6

f(1)= -4

Step-by-step explanation:

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Solve 2x2 - 6x = -8.
erma4kov [3.2K]

Answer:

x=2

Step-by-step explanation:

8 0
3 years ago
:<br> Which is the solution to –7x &gt; 49?
zvonat [6]
X < -7
Hope I could help
8 0
3 years ago
Read 2 more answers
Graphing linear equations
ella [17]

Answer:

To ensure uniformity on an exam

Or

To test whether you can distinguish between the two formats

Step-by-step explanation:

Standard form is when a straight line equation is rearranged in the form:

ax + by = c

Therefore y=2x+4 in standard form is

2x - y =  - 4

The slope-intercept form is when a a straight line equation is written in the form:

y =  mx + c

where m is the slope and c is the y-intercept.

The given equation is

y =  -  \frac{1}{2} x  - 5

This is already in slope-intercept form:

The standard form and slope-intercept forms are just formats.

Your instructor may restrict you to leave your answer in one of these formats maybe for uniformity on a test.

You may also decide to rewrite an equation in slope-intercept form, so that you can easily identify the slope and y-intercept easily for graphing purpose.

6 0
3 years ago
What are the zeros of f(x) = x(x-7)?
den301095 [7]

Answer:

c. 0 and 7

Step-by-step explanation:

3 0
3 years ago
HELLPPP????? PLEASEEEESSSS
Verdich [7]

Answer:

\boxed{43.48 \, \%}

Step-by-step explanation:

The formula for calculating percentage is

\text{Percentage} = \dfrac{\text{Part }}{\text{Whole}} \times 100 \, \%

The "part" is the number of single-shot espressos

The "whole" is the total number of espressos.

\begin{array}{rcl}\text{Total espressos} & = & 46\\\text{-Single-shot espressos} & = & 26\\\text{Double-shot espressos} & = & 20\\\end{array}

\text{ \% Double-shot}=\dfrac{20}{46} \times 100 \, \% =\mathbf{43.48 \, \%}\\\\\boxed{\mathbf{43.48 \, \%}} \text{ of the espressos were double-shot}

8 0
4 years ago
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