DSQ: Calculating whether point is on a line with an equation

Practice Questions

GMAT Quantitative Reasoning › DSQ: Calculating whether point is on a line with an equation

Questions

5

1

Line m is perpendicular to the line l which is defined by the equation . What is the value of $\tiny b$ ?

(1) Line m passes through the point $\left ( -4,6\right )$ .

(2) Line l passes through the point $\left ( 4,b\right )$ .

2

Find whether the point is on the line .

I) is modeled by the following: .

II) is equal to five more than 3 times the y-intercept of .

3

Consider linear functions and .

I) $h(t)\perp g(t)$ at the point .

II)

Is the point on the line ?

4

Given:

$\small y(t)=5t^2-4t+c$

Find .

I) .

II) The coordinate of the minmum of is .

5

Determine whether the points are collinear.

Statement 1: The three points are $A(1,-1),B(3,2),and\ C(7,8)$

Statement 2: Slope of line $AB=\frac{3}{2}$ and the slope of line $AC=\frac{3}{2}$

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