Answer:
Step-by-step explanation:
<h3>to understand this</h3><h3>you need to know about:</h3>
- algebra
- algebraic addition subtraction
- PEMDAS
<h3>tips and formulas:</h3>
- quadratic expression standard form:ax²+bx+c
- order of PEMDAS
- parentheses
- exponent
- multiplication or
- division
- addition
- subtraction
<h3>given:</h3>
<h3>to do</h3>
<h3>let's do:</h3>
therefore
we can see the expression is in standard form since a,b and c is -3,6 and -4
also let's justify it
substitute the value of a,b and c respectively
(-3)x²+(6)x+(-4)
-3x²+6x-4 (proven)
Answer:
36
Step-by-step explanation: 6 x 6 = 32
Squared means multiplying the number by itself.
3.14(11)^2= 379.94
Not sure if you have to round or give an exact answer, but you can round that if you have to.
Answer:
19.2 mph
Step-by-step explanation:
just trust me